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Displaying 201 to 250 of 655 records
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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
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 | Raytheon Radio Tube Type 6J7G | Mid 20th Century | Raytheon. | USA | Glass, steel, plastic?, assorted metals. | 39208 |
View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 39244 |
View Record | Amplifier Type 91 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, nickel, glass, steel? bakelite. | 39440 |
View Record | Main Starter Switch | Early 20th Century | Unknown | Unknown | Iron, brass, copper, celluloid?, bakelite?, wood. | 39443 |
View Record | Image Orthicon Tube | Mid 20th Century | English Electric Valve Co. Ltd. | England | Glass, bakelite?, steel, nickel, assorted metals. | 39508 |
View Record | Instruction Manuals For Marconi Crystal Receiver Type 16 | c. 1916 | Marconi's Wireless Telegraph Co. Ltd. | London | Paper. | 39535 |
View Record | Marconi Radio Thermal Delay Switch DLS-Type | Early 20th Century | Ediswan. | London | Glass, steel, bakelite?, assorted metals. | 39568 |
View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 39800 |
View Record | Company Seal Embosser GEC Medical Equipment Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 39997 |
View Record | Rotating Multiple Stamp Holder | 20th Century | E.M.R. | London | Steel | 40066 |
View Record | Marconi Receiver Type 226B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, plastic?, ebonite. | 40124 |
View Record | Lamps For Large Switchboard Type 95 | 1920s | Unknown | England | Glass, brass, assorted metals. | 40261 |
View Record | Signal Receiver Type 57A | Dated 1959 | Marconi Instruments Ltd. | England | Steel, plastic, bakelite, glass, assorted metals. | 40275 |
View Record | Replica Of Parabolic Receiver For Marconi's Original Beam System | 1920s/1930s | Marconi's Wireless Telegraph Co. Ltd. | London | Wood, glass, copper, ebonite, assorted metals. | 40344 |
View Record | Mullard Television Valve Type PL504 With Carton | 20th Century | Mullard. | Britain | Glass, steel, assorted metals. | 40357 |
View Record | Mullard Wecovalve Radio Valve Peanut Type | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 40365 |
View Record | Exhibition Medal Exposition Universelle Et Internationale | Dated 1935 | Bonnetain. | Brussels | Gilt metal | 40508 |
View Record | Three-Position Switch | Early 20th Century | Griffin. | London | Mahogany, brass, ebonite, celluloid. | 40839 |
View Record | Brimar Radio Valve Type 50CD6G | Mid 20th Century | Brimar. | England | Glass, steel, plastic?, assorted metals. | 41092 |
View Record | 'Marconi' Auto-Alarm Receiver Type 332 | c.1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, glass, nickel, celluloid?, bakelite?, ebonite. | 41271 |
View Record | Medal Enrico Silvani | Dated 1927 | G. Romagnoli. | Unknown | Bronze | 41328 |
View Record | Marconi Long Wave Panel Type 229B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 41345 |
View Record | Radio Valve Type 6N7G | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 41408 |
View Record | Tuning Condenser | c. 1907 | Unknown | Italy | Brass, steel?, ebonite. | 41634 |
View Record | Fleming Valve | c. 1905 | Ediswan. | London | Copper, glass, brass, assorted metals. | 41677 |
View Record | Precision Measuring Instrument With Case | Early 20th Century | Cambridge Scientific Co. Ltd. | Cambridge, England | Ebonite, brass, baize, mahogany. | 41846 |
View Record | Seven-Valve Receiver | 1920 | Marconi Scientific Instrument Co. Ltd. | London | Teak, ebonite, bakelite?, steel. | 41936 |
View Record | Ken-Rad Radio Tube Type 12SC7 With Carton | Mid 20th Century | Ken-Rad Tube & Lamp Corporation. | Owensboro, Kentucky, USA | Plastic?, steel, assorted metals. | 42016 |
View Record | Morse Key Type 971 | 20th Century | Marconi Company | Britain | Enamel, ebonite, plastic, steel. | 42110 |
View Record | Medal Roerich Museum | Dated 1929 | Henry Dropsy. | USA | Bronze | 42576 |
View Record | Radio-Special Micro Radio Valve Type E6 | 20th Century | Unknown | Unknown | Glass, bakelite?, steel, assorted metals. | 42700 |
View Record | Discharger | Early 20th Century | Unknown | Unknown | Steel, brass, cast iron. | 42997 |
View Record | Small Multiple Discharger | Early 20th Century | Unknown | Unknown | Brass, ebonite. | 43387 |
View Record | Tapped Inductance | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, brass, copper, ebonite. | 43561 |
View Record | Ebonite Partition Insulator | Early 20th Century | Unknown | Unknown | Ebonite, copper?, brass. | 43603 |
View Record | Franklin Master Oscillator | c. 1930 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, ebonite, bakelite, mahogany?, copper. | 43735 |
View Record | Marconi-Osram Radio Valve Type DER | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, plastic?, brass?, assorted metals. | 43964 |
View Record | Tuning Condenser | Early 20th Century | Unknown | Unknown | Brass, ebonite, assorted metals. | 44153 |
View Record | Variometer And Sliding Capacitor | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Teak, copper, ebonite, nickel, steel. | 44318 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 44487 |
View Record | Replica Morse Key | Late 20th Century | Unknown | Unknown | Teak, plastic?, brass. | 44566 |
View Record | Short Wave Tuner & Amplifier No. 17 | c. 1915 | Robert W. Paul. | London | Mahogany, ebonite, bakelite?, brass. | 44893 |
View Record | 'Megger' Resistance Meter | Early 20th Century | Evershead & Vignoles Ltd. | London | Teak, glass, steel?, brass, bakelite, assorted metals. | 45250 |
View Record | Instruction Manual For Communications Receiver Model 910/1 | Mid 20th Century | Stratton & Co. Ltd. | Birmingham | Paper | 45899 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 45902 |
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 Bronze Bust | Dated 1920 | Claire Sheridan. | England | Bronze, marble. | 46043 |
View Record | Telephone Relay | Early 20th Century | Unknown | Britain | Mahogany, brass, nickel. | 46067 |
View Record | Company Seal Embosser Eastnor Electric Company Ltd | 20th Century | Unknown | Britain | Steel, nickel, cooper, baize | 46281 |