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Displaying 181 to 230 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| 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 |