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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass. | 74506 |
View Record | Ship's Transmitter Jigger | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, mahogany. | 29208 |
View Record | Tuned Field Transmitter | 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, mahogany, glass, ebonite. | 87142 |
View Record | Multiple Tuner | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 36479 |
View Record | 'Marconi' Wavemeter Type MC1 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, mahogany?, ebonite, bakelite, nickel, copper. | 37590 |
View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, bakelite, steel, nickel. | 64976 |
View Record | Trembler Coil | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, nickel, ebonite?, steel. | 61771 |
View Record | Bellini-Tosi Direction Finder | 1907 | E. Bellini & A. Tosi. | France | Walnut, brass, steel?, iron, bakelite, ebonite. | 14937 |
View Record | Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 28107 |
View Record | Gulstad Relay | Early 20th Century | Elliot Brothers (London) Ltd. | London | Metal, brass, glass, nickel. | 91761 |
View Record | Tuning Condenser | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, steel?, nickel. | 28159 |
View Record | Tuning Condenser | c. 1907 | Unknown | Italy | Brass, steel?, ebonite. | 41634 |
View Record | Magnetic Detector | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 99266 |
View Record | Marconi Watercolour | c. 1906 | Leslie Ward. | England | Watercolours, wood, glass, paper. | 71104 |
View Record | Marconi Wavemeter Type MC1 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, bakelite, glass, metal?, plastic. | 49948 |
View Record | Bellini-Tosi Radiogoniometer | c. 1907 | Bellini & Tosi. | France | Oak, brass, ebonite, metal. | 37692 |
View Record | Triple X-Stopper | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, brass, mahogany, metal alloy. | 87224 |
View Record | 120 Ohm Resistance Coil | Early 20th Century | Unknown | Unknown | Teak, steel, wax, assorted metals. | 64043 |
View Record | Onwood's Patent Ohmmeter | Early 20th Century | Gambrell Brothers Ltd. | London | Teak?, glass, nickel, brass, ebonite, assorted metals. | 95036 |
View Record | Terminal | Early 20th Century | Unknown | Unknown | Ebonite, brass?, steel. | 54685 |
View Record | Rotary Spark Discharger | Early 20th Century | Marconi's Wirelss Telegraph Co. Ltd. | London | Steel, brass, cast iron. | 71249 |
View Record | De Forest Audiotron Radio Valve | Early 20th Century | De Forest. | Unknown | Copper?, glass, assorted metals. | 99552 |
View Record | Exhibition Medal Franco-British Exhibition | Dated 1908 | F. Bowcher. | Birmingham | Gilt silver. | 93608 |
View Record | Audion Radio Valve | c. 1907 | Lee De Forest. | USA | Glass, assorted metals. | 90974 |
View Record | Telephone Relay | Early 20th Century | Unknown | Britain | Mahogany, brass, nickel. | 46067 |
View Record | Telephone Relay Type G | c. 1908 | S.G. Brown. | London | Mahogany, steel?, brass. | 13183 |
View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, leather, ebonite, bakelite. | 28627 |
View Record | Direct Reading Portable Decremeter | Dated 1909 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, brass, ebonite, bakelite, leather. | 19011 |
View Record | Precision Measuring Instrument With Case | Early 20th Century | Cambridge Scientific Co. Ltd. | Cambridge, England | Ebonite, brass, baize, mahogany. | 41846 |
View Record | 'Cow's Tail' Insulator | Early 20th Century | Unknown | Unknown | Brass, wood, cable. | 15574 |
View Record | Leclanche Cell | Early 20th Century | General Electric Co. Ltd. | USA | Glass, earthenware?, steel. | 78623 |
View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 47410 |
View Record | Morse Key Type 100A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | Britain | Nickel, mahogany, ebonite, steel. | 24429 |
View Record | Switch And Lamp Type 94 | Early 20th Century | Unknown | Unknown | Teak?, brass, glass, porcelain?, metal. | 54481 |
View Record | Coil Condensor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Brass?, wood. | 97470 |
View Record | Gray Magnetic Relay Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, iron?, ebonite? wood, metal alloy, silver. | 56506 |
View Record | Double-Pole Single-Throw Switch | Early 20th Century | Unknown | England | Ebonite, wood, teak?, steel, brass, copper alloy. | 91708 |
View Record | 'Marconi' Wavemeter Type MP7 | Early 20th Century | Marconi 's Wireless Telegraph Co. Ltd. | London | Carborundum, paper, wood, plastic, ebonite, steel | 49422 |
View Record | Three-Turn Primary Coil | Early 20th Century | Unknown | Unknown | Wood, brass. | 75930 |
View Record | Marconi Crystal Receiver Type 31C | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, nickel, mahogany?, bakelite. | 21573 |
View Record | Marconi Aerial Tuning Inductance Coil | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Copper, nickel, teak?, brass. | 69155 |
View Record | Marconi Aerial Tuning Inductance Coil | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Copper, nickel, teak?, brass. | 47154 |
View Record | Marconi Crystal Receiver Type 31C | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, brass, mahogany?, bakelite. | 67687 |
View Record | Marconi Crystal Receiver Type 31 | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, ebonite, teak, metal. | 28284 |
View Record | Aerial Lead-In Insulator | Early 20th Century | Unknown | Unknown | Earthenware, copper, iron. | 26677 |
View Record | Aerial Lead-In Insulator | Early 20th Century | Unknown | Unknown | Earthenware, copper, iron. | 17338 |
View Record | Marconi Operator's Watch | c. 1910 | Unknown | Switzerland | Enamel, nickel, glass. | 72754 |
View Record | Telephone Arc Transmitter | 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonised wood, bakelite, mica, brass, teak?, assorted metals, wood | 69632 |
View Record | Single-Turn Primary Coil | Early 20th Century | Unknown | Unknown | Wood, brass. | 61290 |
View Record | 'Megger' Resistance Meter | Early 20th Century | Evershead & Vignoles Ltd. | London | Teak, glass, steel?, brass, bakelite, assorted metals. | 45250 |
View Record | Side-Lever Morse Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, ebonite, brass, bakelite. | 12506 |
View Record | Small Morse Key | Early 20th Century | Unknown | Unknown | Steel, plastic?, nickel, iron, copper. | 89483 |
View Record | Marzi Microphone | 1910 | Marzi Company. | France | Wood, aluminium, steel. | 27140 |
View Record | Small Coupled Two-Way Switch | Early 20th Century | Unknown | Unknown | Steel, brass, iron?, bakelite?, mahogany?, ebonite. | 61022 |
View Record | Three-Position Switch | Early 20th Century | Griffin. | London | Mahogany, brass, ebonite, celluloid. | 40839 |
View Record | Capacitor | Early 20th Century | W.G. Pye & Co. | Cambridge, England | Teak?, plastic?, nickel, ebonite. | 72410 |
View Record | Bradfield Leading-In Insulator No.1 | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Iron, ebonite. | 13694 |
View Record | Ebonite Partition Insulator | Early 20th Century | Unknown | Unknown | Brass, ebonite. | 47690 |
View Record | Studio Photograph of H. Cuthbert Hall? | Early 20th Century | Elliott & Fry | London | Paper, oak?, brass, nylon? | 98535 |
View Record | Ladies' Silver Pocket Scent Bottle | Hallmarked 1911 | Charles Perry & Co. of Birmingham. | Birmingham | Silver. | 37413 |
View Record | Marconi Crystal Receiver Type 31 | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Bakelite?, ebonite, teak, brass, steel?, metal. | 98216 |
View Record | Crystal Valve Receiver | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, ebonite, brass, bakelite, copper, metal. | 69868 |
View Record | Marconi Commemorative Plaque | Dated 1911 | D. Sodini. | Italy | Brass, steel. | 56721 |
View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 39443 |
View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 92107 |
View Record | BBC Radio Crystals With Tin | Early 20th Century | BBC Crystal Ltd. | Britain | Mica?, tin. | 86416 |
View Record | Send/Receive Switch Type 103A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | London | Teak, brass, steel, nickel. | 49244 |
View Record | Silver Table Lighter With Case | Dated 1912 | Alfred Foster. | London | Silver, bakelite?, marble, velvet, silk, leather. | 35386 |
View Record | Portable Aircraft Spark Transmitter 40W | c. 1912 | Marconi's Wireless Telegraphy Co. Ltd. | London | Teak, leather, ebonite, steel, bakelite?, brass. | 19772 |
View Record | Marconi Commemorative Plaque | Dated 1912 | Unknown | Italy | Brass | 23050 |
View Record | Marconi Radio Thermal Delay Switch DLS-Type | Early 20th Century | Ediswan. | London | Glass, steel, bakelite?, assorted metals. | 39568 |
View Record | Facsimile Of Daily Sketch | Dated 1912 | E. Hulton & Co., Limited. | England | Paper. | 96891 |
View Record | Portrait of Marconi | Dated 1912 | A Chevalier Taylor | London | Oil, canvas, wood, plaster, cork, brass, paper, steel, nylon? | 94575 |
View Record | 'Marconi' Crystal Wavemeter Type MC2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Nickel, steel, glass, ebonite, bakelite, teak. | 46042 |
View Record | 'Marconi' Crystal Wavemeter Type MC2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Nickel, steel, glass, ebonite, bakelite, teak, copper, paper. | 38737 |
View Record | Two Ebonite Tube Insulators | Early 20th Century | Unknown | Unknown | Ebonite. | 76742 |
View Record | Vertical Precision Instrument | Early 20th Century | Unknown | Unknown | Brass, paint, bronze, assorted metals. | 32039 |
View Record | Triangular Base | Early 20th Century | Unknown | Unknown | Brass, iron, baize. | 53033 |
View Record | Manganin Coils Dial Bridge | Early 20th Century | W.G. Pye & Co. | Cambridge, England | Teak, ebonite, bakelite, brass, copper, celluloid, assorted metals. | 31104 |
View Record | Triple Crystal Detector | Early 20th Century | Unknown | Unknown | Brass, copper, ebonite. | 84133 |
View Record | Graduated Swivelling Coils For Triple Crystal Detector | Early 20th Century | Unknown | Unknown | Copper, steel, tape. | 28254 |
View Record | Proof Print of Marconi | c. 1914 | G. B. Black | London | Paper, plastic, cork. | 56351 |
View Record | Interrupter Type 144 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Cast iron, nickel, teak. | 53329 |
View Record | Aerial Switch Type 272 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Wood, peak, steel, nickel, porcelain, ebonite. | 27556 |
View Record | Tapped Inductance | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, copper, ebonite. | 43561 |
View Record | Portrait of Marconi | 1914 | Gustave Muranyi | Unknown | Oil, canvas, wood, brass, paper, cotton? | 65827 |
View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Mahogany. | 95808 |
View Record | Porcelain Insulators | 20th Century | Unknown | Unknown | Porcelain, brass, steel?, ebonite. | 64661 |
View Record | Short Wave Tuner & Amplifier No. 17 | c. 1915 | Robert W. Paul. | London | Mahogany, ebonite, bakelite?, brass. | 44893 |
View Record | Precision Instrument | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Bakelite, glass, brass, copper, assorted metal, iron` | 69707 |
View Record | Precision Instrument | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, glass, bakelite, brass, iron, assorted metals. | 97073 |
View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
View Record | Voltmeter With Case | Early 20th Century | Unknown | Britain | Oak, brass, glass, celluloid, paper, assorted metals. | 65935 |
View Record | Tuning Condenser | c. 1915 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 98095 |
View Record | Tuning Condenser | c. 1915 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 18093 |
View Record | Giant Radio Valve | 1910s | GEC. | England | Glass, polymer, brass, plastic?, nickel. | 70075 |
View Record | Decade Condenser Type 21F | Early 20th Century | Muirhead & Co. Ltd. | Britain | Teak, bakelite, plastic?, steel. | 17600 |
View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 72842 |
View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | Unknown | Mahogany?, nickel, bakelite?, plastic, assorted metals. | 57185 |
View Record | Large Rotary Converter | Dated 1915 | Electric Construction Co. Ltd. | Wolverhampton, England | Iron, steel, brass, copper, metal alloy. | 29140 |
View Record | Stud Field Regulating Rheostat | Early 20th Century | Electric Construction Co. Ltd. | Wolverhampton, England | Brass, steel, iron, metal alloys | 65352 |
View Record | Stud Motor Starter | Early 20th Century | Electric Construction Co. Ltd. | Wolverhampton, England | Brass, copper, iron, steel, metal alloys. | 90897 |
View Record | Pair Of Mounted Guard Lamps | Early 20th Century | Unknown | Unknown | Mahogany?, glass, copper, brass. | 24488 |
View Record | Low Frequency Iron Core Inductance In Wooden Box | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Iron, brass, teak. | 68721 |
View Record | Large Emergency Morse Key | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Brass, metal alloy, teak, ebonite. | 31025 |
View Record | Large Main Morse Key | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, brass, metal alloy, ebonite. | 53026 |
View Record | Magnetic Key Relay | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Teak, brass, steel, unknown material, wood. | 99331 |
View Record | Large Main Condenser With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Wood, jute, brass, iron. | 58903 |
View Record | Large Fixed-Gap Discharger With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Teak, brass, lead?, metal alloy, sand?, ebonite?, steel. | 65806 |
View Record | High Frequency Sliding Inductance | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Brass, ebonite, mahogany. | 72720 |
View Record | Assorted Copper Busbars And Ebonite Insulators | Early 20th Century | Unknown | Unknown | Copper, metal alloy?, ebonite. | 79425 |
View Record | Ebonite Partition Insulator | Early 20th Century | Unknown | Unknown | Ebonite, copper?, brass. | 43603 |
View Record | Large Aerial Tuning Inductance With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, ebonite, brass. | 76739 |
View Record | Large Main Jigger With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany?, ebonite, wood, brass. | 14809 |
View Record | Tuning Indicator With Glass Lamp | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahogany, brass, metal alloy, glass, ebonite. | 24927 |
View Record | Earth Arrester Plate | Early 20th Century | Unknown | Unknown | Brass, copper. | 73816 |
View Record | Earth Arrester Plate | Early 20th Century | Unknown | Unknown | Brass, copper. | 31083 |
View Record | Large Wave-Shortening Condenser With Case | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Mahongany, jute?, ebonite, steel, brass. | 49571 |
View Record | Large Iolanda Switchboard | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Ebonite, glass, copper, plastic?, steel?, brass, unidentified material. | 54296 |
View Record | Large Marine Charging Switchboard | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London, England | Ebonite?, metal alloy, glass, brass, assorted metals. | 49739 |
View Record | Two Ribbed Wooden Pillar Insulators | Early 20th Century | Unknown | Unknown | Wood, brass. | 23387 |
View Record | Coil-Type Testing Buzzer With Case | Early 20th Century | Unknown | Unknown | Wood, brass, copper, fibre, ebonite. | 87609 |
View Record | Small Buzzer Key With Base | Early 20th Century | Unknown | Unknown | Mahogany, brass, copper, plastic. | 51297 |
View Record | Two High Frequency Chokes In Mounted Cases | Early 20th Century | Unknown | Unknown | Mahogany, porcelain, copper, teak. | 70536 |
View Record | Ship's Bridge Telephone | Early 20th Century | Unknown | None | Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. | 58568 |
View Record | Radio Call Sign | Early 20th Century | Unknown | Unknown | Mahogany, paint. | 20091 |
View Record | Tuning Condenser With Capacitor Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, wood, ebonite, bakelite, celluloid, nickel, plywood. | 48535 |
View Record | 'Marconi' Wavemeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Boxwood, steel, bakelite?, leather, ebonite. | 56547 |
View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 76048 |
View Record | Marconi Crystal Receiver With Valve | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 99012 |
View Record | Marconi Bellini-Tosi Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, steel?, copper. | 20815 |
View Record | Marconi Radio Valve Type Q | c. 1916 | Ediswan. | London | Glass, steel, assorted metals. | 33191 |
View Record | Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, platinum, asbestos, brass, ebonite. | 32845 |
View Record | Osram-GEC Radio Valve Type R4 | c. 1916 | Osram G.E.C. | England | Teak?, glass, brass, tungsten, assorted metals. | 59017 |
View Record | Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, platinum, asbestos, brass, ebonite. | 35122 |
View Record | Fama Radio Valve Type R | c. 1916 | Fama. | Holland | Glass, brass, bakelite?, assorted metals. | 73073 |
View Record | Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, platinum, asbestos, brass, ebonite. | 13117 |
View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 39244 |
View Record | Experimental Round Radio Valve Type CA | c. 1915 | Ediswan. | London | Glass, oxide, brass?, platinum. | 24865 |
View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 22293 |
View Record | Marconi Crystal Receiver Type 16 | 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Ebonite, teak, bakelite, brass, steel?, copper. | 63794 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Brass, ebonite, celluloid. | 66117 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass. | 75237 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass, bakelite. | 34701 |
View Record | Tuning Condenser | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Teak, ebonite, celluloid, brass, bakelite. | 96057 |
View Record | Small Tuning Condenser | c. 1916 | Marconi's Wireless Telegrap Co. Ltd. | England | Mahogany?, ebonite, bakelite, celluloid, brass. | 69944 |
View Record | Marconi Bellini-Tosi Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, bakelite, ebonite, steel?, copper. | 78859 |
View Record | Instruction Manual For The Marconi Direction Finder Type No. 6 | c. 1916 | Sanders Phillips & Co. Ltd. | London | Paper. | 23434 |
View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 94035 |
View Record | Telephone Jigger Box | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, plastic?, cooper. | 89862 |
View Record | Instruction Manuals For Marconi Crystal Receiver Type 16 | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 39535 |
View Record | Short Wave Receiver Type CM294C | Dated 1917 | Marconi's Wireless Telegraph Co. of America. | USA | Ebonite, mahogany?, brass, nickel, bakelite, copper, aluminium?, steel. | 46600 |
View Record | Marconi Radio Valve Type R | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, nickel, steel?, tungsten, assorted metals. | 94475 |
View Record | Osram-GEC Radio Valve Type R4 | 1917 | Osram-GEC. | England | Teak?, glass, copper?, tungsten, assorted metals. | 96640 |
View Record | Siemens & Halske Experimental Radio Valve | c. 1917 | Siemens & Halske. | Germany | Glass, bakelite?, steel, assorted metals. | 50748 |
View Record | Album of Direction Finder | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 34635 |
View Record | Forward Spark 'B' Wavemeter No. 1511 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 12772 |
View Record | Empty Case Of Forward Spark 'B' Wavemeter No. 2001 | c. 1918 | War Department Signals Flying Corps. | Britain | Teak. | 71985 |
View Record | Empty Case Of Forward Spark 'B' Wavemeter No. 1360 | c. 1918 | War Department Signals Flying Corps. | Britain | Teak | 88505 |
View Record | Empty Case Of Forward Spark 'B' Wavemeter | c. 1918 | War Department Signals Flying Corps. | Britain | Teak | 37889 |
View Record | Amplifier Type 91 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, nickel, glass, steel? bakelite. | 39440 |
View Record | Variable Pitch Generator Windmill | Early 20th Century | Unknown | Unknown | Metal alloy, iron. | 32380 |
View Record | Osram Radio Valve Type R | c. 1918 | Osram. | England | Glass, tungsten, brass?, steel, assorted metals. | 80773 |
View Record | GPO Radio Valve Type No 2 | 20th Century | Unknown | Britain | Glass, brass, plastic?, nickel. | 26614 |
View Record | Large Switchboard Type 95 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Wood, iron, glass, nickel, assorted metals. | 12779 |
View Record | Forward 'B' Spark Wavemeter No. 1339 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 22136 |
View Record | Townsend Wavemeter | c.1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, teak, plastic, cardboard. | 78507 |
View Record | Townsend Wavemeter | Dated 1918 | Marconi's Wireless Telegraph Co. Ltd | London | Bakelite?, teak, paper/cardboard?, plastic, ebonite. | 92109 |
View Record | Silvertown Condensor | Marked 1918 | Silvertown. | USA | Brass, ebonite, iron?, teak. | 86740 |
View Record | 'Marconi' Amplifier Type GA2 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, leather, steel, assorted metals. | 47978 |
View Record | Forward Spark 'B' Wavemeter No. 2006 | c. 1918 | War Department Signals Flying Corps. | Britain | Steel, brass, bakelite?, teak, carborundum. | 56341 |
View Record | Combined Switchboard Type 277 And Fuseboard Type 279 | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Steel, metal, glass, nickel, bakelite | 17193 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 27357 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 45902 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 81565 |
View Record | Portable Valve Transmitter | 1919 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, nickel, teak, bakelite?, paper. | 61008 |
View Record | Marconi Radio Valve Type Q | c. 1919 | Ediswan. | London | Glass, steel, assorted metals. | 31396 |
View Record | Marconi Radio Valve Type Q | c. 1919 | Ediswan. | London | Glass, steel, assorted metals. | 70145 |
View Record | Marconi Radio Valve Type V24 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 60590 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 74162 |
View Record | Marconi Radio Valve Type MT1 | c. 1919 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, assorted metals. | 48681 |
View Record | B T-H Plaque | 20th Century | Unknown | Britain | Cast iron, paint. | 59770 |
View Record | Instruction Booklets For Marconi Wavemeters | c. 1919 | Sanders, Phillips & Co. Ltd. | London | Paper. | 86206 |
View Record | 'Marconi' 1˝KW Quenched Spark Gap Transmitter Type QG | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, steel, iron, nickel, porcelain, copper, assorted metals. | 46329 |
View Record | Generator Propellor | Early 20th Century | Unknown | Unknown | Steel, mahogany. | 51047 |
View Record | Generator Propellor | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | Unknown | Laminated mahogany, brass. | 32068 |
View Record | Morse Key Type 971 | 20th Century | Marconi Company. | Britain | Enamel, ebonite, plastic, steel. | 95560 |
View Record | Telephone Transformer Type 191A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Hardwood, ebonite, steel. | 71080 |
View Record | Seven-Valve Receiver | 1920 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite, bakelite?, steel. | 41936 |
View Record | Amplifier And Detector Type 55A With Headphones | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Glass, teak, steel, brass. | 18067 |
View Record | Marconi Note Magifier Type 227B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 76594 |
View Record | Drysdale-Tinsley Vibration Galvanometer | 20th Century | H. Tinsley & Co. | London | Brass, iron, glass, bakelite?, mahogany, plastic. | 17033 |
View Record | Marconi Receiver Type 226B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, plastic?, ebonite. | 40124 |
View Record | Marconi Long Wave Panel Type 229B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 41345 |
View Record | Shunt Regulator | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 25048 |
View Record | Shunt Regulator Type O | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 72885 |
View Record | Shunt Regulator Type OA | 20th Century | Unknown | Unknown | Brass, wood?, copper, iron. | 79427 |
View Record | Marconi Bronze Bust | 1920 | Claire Sheridan. | England | Bronze, marble. | 92061 |
View Record | Marconi Bronze Bust | Dated 1920 | Claire Sheridan. | England | Bronze, marble. | 46043 |
View Record | Rotating Multiple Stamp Holder | 20th Century | E.M.R. | London | Steel | 40066 |
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