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Displaying 81 to 180 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Morse Key | Early 20th Century | Elliot Brothers (London) Ltd. | London | Teak, bakelite?, brass. | 70589 |
| View Record | Variometer And Sliding Capacitor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, copper, ebonite, nickel, steel. | 44318 |
| View Record | Remote-Control Switch | Early 20th Century | Unknown | Unknown | Teak, steel, cord, brass, copper. | 97148 |
| View Record | Carborundum Detector | Early 20th Century | Unknown | Unknown | Ebonite, nickel. | 90595 |
| View Record | Irwin Oscillograph | Early 20th Century | Robert W. Paul. | London | Iron?, brass, copper. | 30624 |
| View Record | Discharger | Early 20th Century | Unknown | Unknown | Steel, brass, cast iron. | 42997 |
| View Record | Induction Coil | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, wax, brass, ivory?, ebonite, celluloid. | 12640 |
| View Record | 12 Volt Fleming Valve | c. 1905 | Ediswan. | London | Wood, baize, brass?, nickel, glass, ebonite. | 89981 |
| View Record | Large Tuning Condenser | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, glass, ebonite, teak, assorted metals. | 48642 |
| View Record | Lead-Acid Accumulator | Early 20th Century | Unknown | Unknown | Teak, leather?, brass. | 62812 |
| View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, glass, brass, ebonite, bakelite, iron. | 18289 |
| View Record | Toothed Disc For Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Brass | 91762 |
| View Record | Rotary Spark Discharger | c. 1906 | Unknown | Unknown | Steel, brass, cast-iron, | 64999 |
| View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 41677 |
| View Record | Tuning Condenser No 4 | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | England | Ebonite, brass, paper. | 20696 |
| View Record | 'Marconi' Wavemeter Type No 2 | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, steel, ebonite, leather, assorted metals. | 52068 |
| View Record | 'Marconi' Wavemeter Instruction Leaflet | c. 1906 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 98851 |
| View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 75969 |
| View Record | Induction Coil For Tuned Field Transmitter | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Brass, mahogany, ebonite. | 30667 |
| View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass, paper. | 13774 |
| 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 |
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