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Displaying 471 to 520 of 655 records
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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
View Record | Experimental Two-Valve Set | c. 1916 | Unknown | Unknown | Ebonite, teak, brass. | 76048 |
View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 76426 |
View Record | Company Seal Embosser Elliot Ltd | 20th Century | Unknown | Britain | Steel, wood, brass, baize. | 76469 |
View Record | Marconi Note Magifier Type 227B | c. 1920 | Marconi International Marine Communication Co. Ltd. | England | Teak, chromium, bakelite?, ebonite. | 76594 |
View Record | Radio Valve Type ARTP2 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 76654 |
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 | Two Ebonite Tube Insulators | Early 20th Century | Unknown | Unknown | Ebonite. | 76742 |
View Record | Hivac Radio Valve Type CV1052 | Mid 20th Century | Hivac. | England | Glass, steel, plastic?, assorted metals. | 76996 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6L7 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Plastic?, steel, assorted metals. | 76997 |
View Record | Marconi Radio Valve Type U33 | 20th Century | Marconi Wireless Telegraph Co. Ltd. | England | Glass, steel, bakelite?, assorted metals. | 77017 |
View Record | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 77413 |
View Record | 12 Volt Fleming Valve | c. 1905 | Royal Ediswan. | London | Glass, brass?, assorted metals. | 77499 |
View Record | Civilian Gentleman's Ceremonial Cocked Hat | c. 1902 | J. B. Johnstone. | London | Cloth, steel. | 78080 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 78432 |
View Record | Townsend Wavemeter | c.1918 | Marconi's Wireless Telegraph Co. Ltd. | London | Steel, bakelite?, teak, plastic, cardboard. | 78507 |
View Record | Candlestick Microphone | c. 1927 | Sterling Telephone & Electric Co. Ltd. | London | Bakelite, steel, plastic, assorted metals. | 78582 |
View Record | Leclanche Cell | Early 20th Century | General Electric Co. Ltd. | USA | Glass, earthenware?, steel. | 78623 |
View Record | Radio Receiver Type BC342N | 1940s | Unknown | Unknown | Steel, bakelite, glass, nickel, assorted metals. | 78655 |
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 | Replica Righi Oscillator | Late 20th Century | Unknown | Unknown | Brass, ebonite?, plastic?, mahogany. | 79026 |
View Record | Transmitter Type AD87B | c. 1940 | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, glass, bakelite, iron. | 79145 |
View Record | Three Port Circulator | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, metal. | 79157 |
View Record | Grasshopper Send-Receive Morse Key | c. 1899 | Wireless Telegraph & Signal Company Limited | England | Brass, ebonite, mahogany. | 79280 |
View Record | Osram Radio Valve Type CM8 | 20th Century | Osram. | England | Glass, steel, bakelite?, assorted metals. | 79293 |
View Record | Assorted Copper Busbars And Ebonite Insulators | Early 20th Century | Unknown | Unknown | Copper, metal alloy?, ebonite. | 79425 |
View Record | Shunt Regulator Type OA | 20th Century | Unknown | Unknown | Brass, wood?, copper, iron. | 79427 |
View Record | Mazda Radio Valve Type PY33 With Carton | 1960s | Mazda. | England | Glass, steel, plastic?, assorted metals. | 79516 |
View Record | Marconi Sykes Microphone | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, ebonite, brass, nickel. | 79721 |
View Record | Marconi Radio Valve Type U10 | 20th Century | Marconi-Osram Valves. | London | Glass, steel, plastic, assorted metals. | 79785 |
View Record | Gecophone Crystal Set | c. 1921 | GEC. | Unknown | Mahogany, bakelite?, ebonite, nickel, brass, steel | 80012 |
View Record | Marconi Radio Valve Type D42 | 20th Century | Marconiphone Co. Ltd. | England | Glass, steel, bakelite?, assorted metals. | 80037 |
View Record | RCA Radiotron Radio Tube Type VR54 | 20th Century | RCA. | USA | Plastic?, steel, assorted metals. | 80165 |
View Record | Marconi-Osram Radio Valve Type DER | 1920s | Marconi-Osram Valve Co. Ltd. | London | Glass, steel, brass?, plastic?, assorted metals. | 80189 |
View Record | Receiver Type R1155A | c. 1942 | Air Ministry. | Unknown | Aluminium, bakelite?, perspex?, steel. | 80256 |
View Record | Aircraft Wireless Receiver | c. 1921 | Marconi's Wireless Telegraph Co. Lt.d | London | Teak, nickel, ebonite, bakelite, brass, celluloid, assorted metals. | 80281 |
View Record | Zaerix Electronic Valve Type KTW61 | Mid 20th Century | Z & I Aero Services Ltd. | London | Glass, steel, plastic?, assorted metals. | 80385 |
View Record | Hytron Radio Tube Type E1148 With Carton | Dated 1944 | Hytron Corporation. | Massachusetts, USA | Mica, plastic?, glass, steel, assorted metals. | 80500 |
View Record | Fleming Valve | c. 1889 | Prof. J.A. Fleming. | England | Glass, nickel, steel, ebonite, wood. | 80572 |
View Record | National Union Radio Tube Type 35Z5GT With Carton | c. 1942 | National Union. | USA | Glass, plastic, steel, assorted metals. | 80623 |
View Record | Osram Radio Valve Type R | c. 1918 | Osram. | England | Glass, tungsten, brass?, steel, assorted metals. | 80773 |
View Record | Cluster Of Six Small Glass Tubes | c. 1902 | Unknown | Unknown | Glass, elastic, steel, assorted metals. | 80963 |
View Record | 18-Inch Induction Coil | 1898 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, copper, ivory?, steel. | 81193 |
View Record | Ken-Rad Radio Tube Type 6SN7GT | Mid 20th Century | Ken-Rad. | USA | Glass, plastic?, steel, assorted metals. | 81227 |
View Record | Aircraft Wireless Telephone Transmitter Type AD1 | 1921 | Marconi's Wireless Telegraph Co. Ltd. | England | Wood, linen, steel, bakelite, ebonite, brass, glass, assorted metals. | 81229 |
View Record | Marconi Receiver CR100 | Mid 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Steel, plastic, nickel, bakelite, perspex, assorted metals. | 81277 |
View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 81565 |
View Record | Walnut Kneehole Desk | c. 1935 | Unknown | Unknown | Walnut, brass. | 82016 |
View Record | Marconi-Osram Radio Valve Type R | c. 1925 | Marconi-Osram Valve Co. Ltd. | London | Glass, nickel, plastic?, brass?, assorted metals. | 82041 |
View Record | RCA Radiotron Radio Tube Type 6D6 | 20th Century | RCA. | USA | Plastic?, steel, glass, assorted metals. | 82120 |
View Record | Rogers Radio Tube Type VR56 | Mid 20th Century | Rogers Canada. | Canada | Glass, steel, plastic?, assorted metals. | 82126 |