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Displaying 221 to 420 of 655 records
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Heading | Date | Maker | Place | Materials | Inv Num | |
---|---|---|---|---|---|---|
View Record | Radio Valve Type VU120A | Mid 20th Century | Unknown | Unknown | Glass, plastic?, steel, assorted metals. | 53371 |
View Record | Ken-Rad Radio Tube Type 6SN7GT | Mid 20th Century | Ken-Rad. | USA | Glass, plastic?, steel, assorted metals. | 81227 |
View Record | Mazda Radio Tube Type AR8 | c. 1938 | Mazda. | England | Glass, plastic?, steel, assorted metals. | 86462 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 15130 |
View Record | STC Radio Tube Type 6J5G | Mid 20th Century | Standard Telephones and Cables Ltd. (STC). | England | Glass, plastic?, steel, assorted metals. | 59723 |
View Record | Brimar Radio Valve Type 6V6GT | 1940s | Brimar. | England | Glass, plastic?, steel, assorted metals. | 64011 |
View Record | Radio Valve Type 6V6G | Mid 20th Century | Mullard. | England | Glass, plastic?, steel, assorted metals. | 48716 |
View Record | Mullard Radio Valve Type ECC35 | 20th Century | Mullard. | Britain | Glass, plastic?, steel, assorted metals. | 96920 |
View Record | Radio Valve Type CV1342 | 1950s | Unknown | Britain | Glass, plastic?, steel, assorted metals. | 91546 |
View Record | National Union Radio Tube Type 50L6GT With Carton | c. 1941 | National Union. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 47236 |
View Record | National Union Radio Tube Type 12SA7GT With Carton | c. 1942 | National Union. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 30961 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 98935 |
View Record | Mazda Radio Valve Type CV6 With Carton | 20th Century | Mazda Company. | Unknown | Glass, plastic?, steel, assorted metals. | 38616 |
View Record | Radio Valve Type ATP4 | Mid 20th Century | Unknown | England | Glass, plastic?, steel, assorted metals. | 70312 |
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 | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 49234 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 20953 |
View Record | Marconi Radio Valve Type LF2 | 20th Century | Marconi's Valves. | Britain | Glass, plastic?, steel, assorted metals. | 74966 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 29233 |
View Record | RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 70668 |
View Record | RCA Radiotron Radio Tube Type 6B7 With Carton | 20th Century | RCA. | USA | Glass, plastic?, steel, assorted metals. | 58967 |
View Record | Marconi Radio Valve Type S625 | c. 1928 | Marconi-Osram Valve Co. Ltd. | England | Glass, plastic?, steel, assorted metals. | 49486 |
View Record | Dario Radio Valve Micro Special | Mid 20th Century | Dario. | France | Glass, plastic?, steel, assorted metals. | 83471 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 64286 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 23157 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel, assorted metals. | 91673 |
View Record | RCA Radiotron Radio Tube Type 80 With Carton | 20th Century | RCA. | New Jersey, USA | Glass, plastic?, steel, assorted metals. | 91686 |
View Record | Marconi-Osram Radio Valve Type MPT4 | Late 1920s | Marconi-Osram Valve Co. Ltd. | London | Glass, plastic?, steel, assorted metals. | 84752 |
View Record | Mullard Radio Valve Type 2D4A | Mid 1930s | Mullard. | Britain | Glass, plastic?, steel, assorted metals. | 83305 |
View Record | Radio Valve Type ARP12 | c. 1939 | Unknown | England | Glass, plastic?, steel. | 73031 |
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 |
View Record | Shunt Regulator | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 25048 |
View Record | Shunt Regulator Type O | 20th Century | Unknown | Unknown | Iron, bakelite?, brass. | 72885 |
View Record | Direction-Finding Coil For Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Iron, bakelite?, plastic?, steel. | 29505 |
View Record | Coil For Receiver Type R1155A | c. 1940 | Air Ministry. | Unknown | Iron, bakelite?, steel. | 87758 |
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 | 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 | Marconi Sykes Microphone | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, ebonite, brass, nickel. | 79721 |
View Record | Bradfield Leading-In Insulator No.1 | 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Iron, ebonite. | 13694 |
View Record | Four-Second Alarm Type KM1 | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Iron, metal, nickel, glass. | 13115 |
View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 53392 |
View Record | Quenched Spark Disc Unit | 20th Century | Unknown | Unknown | Iron, nickel, ebonite, assorted metals. | 19420 |
View Record | Large Rotary Converter | Dated 1915 | Electric Construction Co. Ltd. | Wolverhampton, England | Iron, steel, brass, copper, metal alloy. | 29140 |
View Record | Irwin Oscillograph | Early 20th Century | Robert W. Paul. | London | Iron?, brass, copper. | 30624 |
View Record | Cylindrical Reflecting Vertical Galvanometer | Early 1920s | Cambridge & Paul Instrument Co. Ltd. | England | Iron?, glass, copper, brass. | 74683 |
View Record | Metal Component Pair FT-162 For Radio | 20th Century | Unknown | Unknown | Iron?, steel, nickel. | 18465 |
View Record | Tilting Board | c. 1899 | Guglielmo Marconi. | England | Iron?, wood. | 46382 |
View Record | Bone Coherer Support Rod | c. 1902 | Unknown | Unknown | Ivory, assorted metal components. | 72278 |
View Record | Brass-Tipped Bone Stylus | c. 1902 | Unknown | Unknown | Ivory, brass, assorted metals. | 82611 |
View Record | Bone Coherer Support Rod | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | England | Ivory, nickel?, copper, assorted metals. | 87538 |
View Record | Generator Propellor | 20th Century | Marconi's Wireless Telegraph Co. Ltd. | Unknown | Laminated mahogany, brass. | 32068 |
View Record | 'Marconi Otophone' | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Leather, celluloid, mahogany, plastic?, bakelite, glass, nickel. | 59451 |
View Record | Marconiphone Receiver Model 235 | c. 1935 | Marconiphone Co. Ltd. | England | Leathercloth, chromium, simulated mother-of pearl | 35936 |
View Record | Signal Hall Kite | c. 1901 | G.C. Spencer & Sons. | London | Linen | 74328 |
View Record | Aircraft Wireless Telephone Type AD2 | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | England | Linen, ebonite, glass, wood, plastic?, assorted metals. | 12938 |
View Record | Telegraph Relay | Early 20th Century | H.W. Sullivan. | London | Mahogany, baize, glass, brass, iron?, assorted metals. | 34506 |
View Record | 'Marconi' Universal Aircraft Telegraph Transmitter/Receiver Type AD6D | c. 1928 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, bakelite, steel, ebonite, glass, assorted metals. | 94461 |
View Record | Marconiphone Six-Valve Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | London | Mahogany, bakelite, steel, glass, copper. | 97219 |
View Record | Gecophone Crystal Set | c. 1921 | GEC. | Unknown | Mahogany, bakelite?, ebonite, nickel, brass, steel | 80012 |
View Record | Small Buzzer Key With Base | Early 20th Century | Unknown | Unknown | Mahogany, brass, copper, plastic. | 51297 |
View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 75969 |
View Record | Magnetic Detector | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, bakelite, iron. | 99266 |
View Record | Marconi's Oil Righi Oscillator | 1895 | Augusto Righi. | Bologna, Italy | Mahogany, brass, ebonite, celluloid. | 21300 |
View Record | Three-Position Switch | Early 20th Century | Griffin. | London | Mahogany, brass, ebonite, celluloid. | 40839 |
View Record | 'Melba' Telephone Microphone No C100L | Dated 1920 | Marconi Company. | England | Mahogany, brass, ebonite, cloth, nickel. | 54651 |
View Record | 18-Inch Induction Coil | 1898 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, copper, ivory?, steel. | 81193 |
View Record | Induction Coil | 1900s | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, ebonite, ivory?, copper. | 17841 |
View Record | Newton Induction Coil | c. 1899 | Newton & Co. | London | Mahogany, brass, ebonite, wax, paper, celluloid. | 69748 |
View Record | Coherer Receiver | Dated 1905 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, glass, ivory, ebonite, assorted metals. | 99245 |
View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass, paper. | 13774 |
View Record | Ink-Writer | c. 1900 | General Post Office. | England | Mahogany, brass, glass, paper. | 87203 |
View Record | Cover For Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, brass, glass. | 74506 |
View Record | Newton Induction Coil | 1897 | Newton & Co. | London | Mahogany, brass, ivory?, celluloid, ebonite. | 94316 |
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 | 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 | Telephone Relay | Early 20th Century | Unknown | Britain | Mahogany, brass, nickel. | 46067 |
View Record | Coherer Receiver | 1902 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, brass, steel. | 67916 |
View Record | Marconiphone Two-Valve Receiver Type V2A | c. 1924 | Marconiphone Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, assorted metals. | 90029 |
View Record | Marconiphone Two-Valve Receiver Type V2A | c. 1924 | Marconiphone Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 58602 |
View Record | Marconiphone Type V2A | c. 1923 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. | 50144 |
View Record | Short Wave Tuner & Amplifier No. 17 | c. 1915 | Robert W. Paul. | London | Mahogany, ebonite, bakelite?, brass. | 44893 |
View Record | Side-Lever Morse Key | c. 1910 | Marconi's Wireless Telegraph Co. Ltd. | England | Mahogany, ebonite, brass, bakelite. | 12506 |
View Record | Multiple Tuner | 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 36479 |
View Record | Multiple Tuner | c. 1907 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, brass, copper, bakelite. | 28107 |
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 | Marconi Induction Coil | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, ebonite, plastic, brass, ivory?, copper | 88737 |
View Record | Magnetic Detector | Early 20th Century | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, glass, brass, ebonite, bakelite, iron. | 18289 |
View Record | Marconiphone Two-Valve Receiver Type V2 | 1923 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, glass, nickel, bakelite, ebonite, celluloid, steel. | 15836 |
View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 50523 |
View Record | Wireless Telegraphy Notice | Mid 20th Century | Unknown | Britain | Mahogany, glass, paper. | 56300 |
View Record | Large Iolanda Transformer With Case | Early 20th Century | Unknown | Unknown | Mahogany, metal alloy, brass, copper, wood. | 57720 |
View Record | Radio Call Sign | Early 20th Century | Unknown | Unknown | Mahogany, paint. | 20091 |
View Record | Tuned Circuit Transmitter | c. 1900 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, plastic, celluloid, brass, glass, steel. | 64464 |
View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 92097 |
View Record | Call Sign | 20th Century | Unknown | Unknown | Mahogany, plastic, metal. | 72238 |
View Record | Two High Frequency Chokes In Mounted Cases | Early 20th Century | Unknown | Unknown | Mahogany, porcelain, copper, teak. | 70536 |
View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 73080 |
View Record | Frame Aerial For Marconiphone Receiver Type 61 | c. 1928 | Marconiphone Co. Ltd. | England | Mahogany, steel, copper, bakelite. | 49429 |
View Record | 'Marconi' 1˝KW Quenched Spark Gap Transmitter Type QG | c. 1920 | Marconi's Wireless Telegraph Co. Ltd. | London | Mahogany, steel, iron, nickel, porcelain, copper, assorted metals. | 46329 |
View Record | Telephone Relay Type G | c. 1908 | S.G. Brown. | London | Mahogany, steel?, brass. | 13183 |