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Displaying 301 to 400 of 655 records

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Heading Date Maker Place Materials Inv Num
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

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