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Displaying 251 to 350 of 655 records
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| Heading | Date | Maker | Place | Materials | Inv Num | |
|---|---|---|---|---|---|---|
| View Record | Giant Radio Valve | 1910s | GEC. | England | Glass, polymer, brass, plastic?, nickel. | 70075 |
| View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 | 20th Century | RCA. | USA | Glass, ribbon, steel, plastic?, assorted metals. | 56681 |
| View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, ribbon, steel, plastic?, assorted metals. | 18078 |
| View Record | RCA Radiotron Cunningham Radio Tube Type 5Z3 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, ribbon, steel, plastic?, assorted metals. | 22875 |
| View Record | Mullard Radio Valve Type ORA/B | c. 1922 | Mullard Radio Valve Co. | Unknown | Glass, rubber?, assorted metals. | 18833 |
| View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 39244 |
| View Record | Round Radio Valve Type N | c. 1915 | Ediswan. | London | Glass, steel, asbestos, platinum-iridium, assorted metals. | 22293 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 35970 |
| View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 83921 |
| View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 29519 |
| View Record | Marconi Radio Valve Type Q | c. 1916 | Ediswan. | London | Glass, steel, assorted metals. | 33191 |
| View Record | Marconi Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 35245 |
| View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 15771 |
| View Record | Marconi-Type Radio Valve | 1920s/1930s | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 50000 |
| View Record | RCA Radiotron Acorn Radio Tube Type VT121 With Carton | Mid 20th Century | RCA. | New Jersey, USA | Glass, steel, assorted metals. | 61791 |
| View Record | Mullard Television Valve Type PL504 With Carton | 20th Century | Mullard. | Britain | Glass, steel, assorted metals. | 40357 |
| View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi-Osram Valves. | England | Glass, steel, assorted metals. | 20655 |
| View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 70906 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 35098 |
| View Record | Marconi Radio Valve Type V24 | c. 1919 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 25217 |
| View Record | Philips Radio Valve Type QQE02 With Separate Carton | Late 20th Century | Philips. | Holland | Glass, steel, assorted metals. | 34480 |
| View Record | Marconi Radio Valve Type Q | c. 1919 | Ediswan. | London | Glass, steel, assorted metals. | 31396 |
| View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 92047 |
| View Record | Marconi Radio Valve Type V24 | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 76426 |
| View Record | Marconi Radio Valve Type V24 | c. 1918 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 25691 |
| View Record | Marconi Radio Valve Type Q | c. 1919 | Ediswan. | London | Glass, steel, assorted metals. | 70145 |
| View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 27357 |
| View Record | Marconi Radio Valve Type V24 | 1920s | Marconi Osram Valves. | London | Glass, steel, assorted metals. | 90635 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 47321 |
| View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 81565 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 27778 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 99640 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 31778 |
| View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 62884 |
| View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 45902 |
| View Record | Marconi Radio Valve Type V24 | c. 1925 | Marconi Valves. | England | Glass, steel, assorted metals. | 25470 |
| 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 V24 | 1920s | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 83077 |
| View Record | Marconi Radio Valve Type V24 | c. 1919 | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel, assorted metals. | 49744 |
| View Record | Marconi Radio Valve Type Q | c. 1918 | Ediswan. | London | Glass, steel, assorted metals. | 74162 |
| View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 29390 |
| View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 75263 |
| View Record | Marconi Radio Valve Type DEV | c. 1923 | Marconi Valves. | England | Glass, steel, assorted metals. | 94536 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 32090 |
| View Record | Marconi Radio Valve Type QX | c. 1921 | Marconi-Osram Valves. | London | Glass, steel, assorted metals. | 39800 |
| View Record | Marconi Radio Valve Type DEQ | c. 1923 | Marconi Valves. | England | Glass, steel, assorted valves. | 26547 |
| View Record | Balloon Envelope Radio Valve | 20th Century | Unknown | Unknown | Glass, steel, bakelite, assorted metals. | 92020 |
| View Record | Mullard Radio Valve Type PM4 | 1930s | Mullard. | England | Glass, steel, bakelite, assorted metals. | 21856 |
| View Record | Marconi Radio Valve Type LP2 | 1930s | Marconi-Osram Valves. | England | Glass, steel, bakelite, assorted metals. | 88183 |
| View Record | Ferranti Radio Valve Type NSP1 | Mid 20th Century | Ferranti. | Britain | Glass, steel, bakelite, assorted metals. | 19461 |
| View Record | Balloon Envelope Radio Valve | Early 20th Century | Unknown | Unknown | Glass, steel, bakelite?, assorted metals. | 13172 |
| View Record | Marconi Radio Valve Type DEHL210 | 20th Century | Marconi-Osram Valves. | England | Glass, steel, bakelite?, assorted metals. | 46377 |
| View Record | Marconi Radio Valve Type U33 | 20th Century | Marconi Wireless Telegraph Co. Ltd. | England | Glass, steel, bakelite?, assorted metals. | 77017 |
| View Record | Marconi Radio Valve Type D42 | 20th Century | Marconiphone Co. Ltd. | England | Glass, steel, bakelite?, assorted metals. | 80037 |
| View Record | Osram Radio Valve Type CM8 | 20th Century | Osram. | England | Glass, steel, bakelite?, assorted metals. | 79293 |
| View Record | Marconi Radio Thermal Delay Switch DLS-Type | Early 20th Century | Ediswan. | London | Glass, steel, bakelite?, assorted metals. | 39568 |
| View Record | Philips Radio Valve Type R | 1920s | Philips. | Holland | Glass, steel, bakelite?, brass?, tungsten, assorted metals. | 84869 |
| View Record | Assorted Radio Valves | 20th Century | Unknown | Unknown | Glass, steel, brass, assorted metals. | 46605 |
| View Record | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 77413 |
| View Record | Siemens & Halske Radio Valve Type RE87 | 20th Century | Siemens & Halske. | Germany | Glass, steel, brass, bakelite?, assorted metals. | 69068 |
| View Record | Marconi-Osram Radio Valve Type DER | 1920s | Marconi-Osram Valve Co. Ltd. | London | Glass, steel, brass?, plastic?, assorted metals. | 80189 |
| View Record | Radio Valve Type ML6C | Mid 20th Century | Unknown | Unknown | Glass, steel, ceramics, assorted metals. | 28855 |
| View Record | Marconi Radio Valve Type U10 | 20th Century | Marconi-Osram Valves. | London | Glass, steel, plastic, assorted metals. | 79785 |
| View Record | Mullard Wecovalve Radio Valve Peanut Type | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals | 19239 |
| View Record | Marconi Radio Valve | 1920s/1930s | Marconiphone Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 87176 |
| View Record | Rogers Radio Tube Type VR56 | Mid 20th Century | Rogers Canada. | Canada | Glass, steel, plastic?, assorted metals. | 82126 |
| View Record | Brimar Radio Valve Type 50CD6G With Carton | Mid 20th Century | Brimar Ltd. | England | Glass, steel, plastic?, assorted metals. | 34364 |
| View Record | Mullard Radio Valve Type PY33 | 1960s | Mullard. | Britain | Glass, steel, plastic?, assorted metals. | 93858 |
| View Record | Tungsram Radio Valve Type RV200/600 | Mid 20th Century | Tungsram. | England | Glass, steel, plastic?, assorted metals. | 97232 |
| View Record | Zaerix Electronic Valve Type KTW61 | Mid 20th Century | Z & I Aero Services Ltd. | London | Glass, steel, plastic?, assorted metals. | 80385 |
| View Record | Mazda Radio Valve Type PY33 With Carton | 1960s | Mazda | England | Glass, steel, plastic?, assorted metals. | 26731 |
| View Record | Ediswan Radio Valve Type ATP4 With Carton | Mid 20th Century | Siemens Edison Swan Ltd. | London | Glass, steel, plastic?, assorted metals. | 22414 |
| View Record | Mullard Radio Valve Type EF37A | Mid 20th Century | Mullard. | England | Glass, steel, plastic?, assorted metals. | 69132 |
| View Record | Brimar Radio Valve Type 50CD6G | Mid 20th Century | Brimar. | England | Glass, steel, plastic?, assorted metals. | 41092 |
| View Record | Raytheon Radio Tube Type 6J7G | Mid 20th Century | Raytheon. | USA | Glass, steel, plastic?, assorted metals. | 39208 |
| View Record | Radio Valve Type 5Z4G | Mid 20th Century | Unknown | Britain | Glass, steel, plastic?, assorted metals. | 48685 |
| View Record | RCA Radiotron Radio Tube 42 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 89266 |
| View Record | Raytheon Radio Tube Type 6H6G With Carton | Dated 1934 | Raytheon. | Massachusetts, USA | Glass, steel, plastic?, assorted metals. | 37614 |
| View Record | Mullard Wecovalve Radio Valve Peanut Type With Carton | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 27364 |
| View Record | Mazda Radio Valve Type PY33 With Carton | 1960s | Mazda. | England | Glass, steel, plastic?, assorted metals. | 79516 |
| View Record | Brimar Radio Valve Type 6SN7GT | Mid 20th Century | Brimar. | England | Glass, steel, plastic?, assorted metals. | 14188 |
| View Record | Hivac Radio Valve Type CV1052 | Mid 20th Century | Hivac. | England | Glass, steel, plastic?, assorted metals. | 76996 |
| View Record | Rogers Radio Tube Type VR56 | Mid 20th Century | Rogers Canada. | Canada | Glass, steel, plastic?, assorted metals. | 64947 |
| View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, steel, plastic?, assorted metals. | 64468 |
| View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 48010 |
| View Record | RCA Radiotron Radio Tube Type 6C6 With Carton | 20th Century | RCA. | USA | Glass, steel, plastic?, assorted metals. | 22269 |
| View Record | Mullard Wecovalve Radio Valve Peanut Type | c. 1920 | Mullard Radio Valve Co. Ltd. | England | Glass, steel, plastic?, assorted metals. | 40365 |
| View Record | Marconi Radio Valve Type 42A | 20th Century | Officine Marconi-Genova. | Italy | Glass, steel, plastic?, assorted metals. | 19824 |
| View Record | Marconi Radio Valve Type DE3 | c. 1923 | Marconi-Osram Valves. | London | Glass, steel, plastic?, brass?, assorted metals. | 16810 |
| View Record | Marconi-Osram Radio Valve Type DER | c. 1923 | Marconi-Osram Valve Co. Ltd. | London | Glass, steel, plastic?, brass?, assorted metals. | 48922 |
| View Record | Cossor Radio Valve Type V10 | 20th Century | Cossor. | England | Glass, steel, plastic?, oxide, assorted metals. | 26034 |
| View Record | 'Marconi' Ammeter | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | England | Glass, steel?, brass, copper?, nickel. | 62660 |
| 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 | Large Cylindrical Leyden Jar | 1900 | Unknown | Unknown | Glass, teak?, brass. | 85146 |
| View Record | Osram Radio Valve Type R | c. 1918 | Osram. | England | Glass, tungsten, brass?, steel, assorted metals. | 80773 |
| View Record | Framed Marconi Order Slip | Dated 1922 | Marconi's Wireless Telegraph Co. Ltd. | London | Glass, wood, paper. | 14183 |
| View Record | Medal Institute Of Radio Engineers | c. 1922 | Sanford. | Unknown | Gold. | 12658 |
| View Record | GEC Bakelite Radio Receiver | Mid 20th Century | General Electric Co. Ltd. | England | Hardened glass?, bakelite | 95767 |
| View Record | Telephone Transformer Type 191A | Early 20th Century | Marconi International Marine Communication Co. Ltd. | England | Hardwood, ebonite, steel. | 71080 |
| View Record | Alexandra Palace Mast | 1936 | Marconi's Wireless Telegraph Co. Ltd. | Britain | Iron, assorted metals, oak?. | 65804 |