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Displaying 321 to 420 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Company Seal Embosser Betram Thomas Ltd 20th Century Jordan & Sons Ltd. London Wood, steel, cooper, brass, metal. 91470
View Record Company Seal Embosser Walsall Conduits Group Ltd 20th Century Jordan & Sons Ltd. London Steel, wood, brass?, cooper 75653
View Record Rotating Multiple Stamp Holder 20th Century E.M.R. London Steel 40066
View Record Multiple Tuner 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, brass, copper, bakelite. 36479
View Record 'Marconi' Wavemeter Type MC1 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany?, ebonite, bakelite, nickel, copper. 37590
View Record Morse Tape Inker c. 1900 Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany, paper. 99765
View Record Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, glass, brass, ebonite, bakelite, iron. 18289
View Record Marconi Radio Valve Type FE2 c. 1922 Marconi-Osram Valve Co. Ltd. London Glass, nickel?, assorted metals. 92775
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 32845
View Record Marconi-Osram Radio Valve Type R c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, nickel, plastic?, brass?, assorted metals. 85569
View Record Marconi Radio Valve Type DE6 c. 1925 Marconi-Osram Valves. London Glass, bakelite, brass?, assorted metals. 88794
View Record Short Wave Receiver Type 372 Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. London Metal, plastic?, glass. 85745
View Record Telephone Arc Transmitter 1910 Marconi's Wireless Telegraph Co. Ltd. London Ebonised wood, bakelite, mica, brass, teak?, assorted metals, wood 69632
View Record Coherer Receiver Dated 1905 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, glass, ivory, ebonite, assorted metals. 99245
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 Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 35122
View Record 12 Volt Fleming Valve c. 1905 Royal Ediswan. London Glass, brass?, assorted metals. 77499
View Record Fleming Valve c. 1905 Ediswan. London Copper, glass, brass, assorted metals. 41677
View Record Fleming Valve c. 1905 Ediswan. London Glass, assorted metals, brass. 21803
View Record Marconi-Osram Radio Valve Type R c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, phosphorous, nickel?, plastic?, steel, assorted metals 22908
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 Marconi Radio Valve Type DE3 c. 1923 Marconi-Osram Valves. London Glass, steel, plastic?, brass?, assorted metals. 16810
View Record Zaerix Electronic Valve Type KTW61 Mid 20th Century Z & I Aero Services Ltd. London Glass, steel, plastic?, assorted metals. 80385
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 Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 35098
View Record Marconi Radio Valve Type DE3C c. 1924 Marconi-Osram Valves. London Glass, bakelite, steel, tungsten, assorted metals. 20731
View Record Marconi Radio Valve Type Q c. 1919 Ediswan. London Glass, steel, assorted metals. 31396
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 Q c. 1918 Ediswan. London Glass, steel, assorted metals. 45902
View Record Marconi Radio Valve Type V24 1920s Marconi-Osram Valves. London Glass, steel, assorted metals. 83077
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 74162
View Record Marconi Radio Valve Type DE3C c. 1924 Marconi-Osram Valves. London Glass, bakelite, steel, tungsten, assorted metals. 62393
View Record Marconi Radio Valve Type DER c. 1925 Marconi-Osram Valves. London Glass, bakelite, steel, assorted metals. 15591
View Record Marconi Radio Valve Type FE2 c. 1922 Marconi's Wireless Telegraph Co. Ltd. London Glass, nickel?, assorted metals. 68373
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 Marconi-Osram Radio Valve Type DER 1920s Marconi-Osram Valve Co. Ltd. London Glass, steel, brass?, plastic?, assorted metals. 80189
View Record Marconi Radio Valve Type U10 20th Century Marconi-Osram Valves. London Glass, steel, plastic, assorted metals. 79785
View Record Marconi-Osram Radio Valve Type MPT4 Late 1920s Marconi-Osram Valve Co. Ltd. London Glass, plastic?, steel, assorted metals. 84752
View Record Marconi Radio Valve Type MH4 1930s Marconi-Osram Valves. London Glass, plastic?, nickel, steel, assorted metals. 24996
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 13117
View Record Round Radio Valve Type N c. 1915 Ediswan. London Glass, steel, asbestos, platinum-iridium, assorted metals. 39244
View Record Experimental Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, brass?, platinum. 24865
View Record Marconi-Osram Radio Valve Type R c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, nickel, plastic?, brass?, assorted metals. 59257
View Record Round Radio Valve Type N c. 1915 Ediswan. London Glass, steel, asbestos, platinum-iridium, assorted metals. 22293
View Record Marconi Radio Thermal Delay Switch DLS-Type Early 20th Century Ediswan. London Glass, steel, bakelite?, assorted metals. 39568
View Record Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, bakelite, iron. 75969
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 Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, brass, copper, bakelite. 28107
View Record 'Marconi' Lifeboat Transmitter Type 241A c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Teak, glass, steel, plastic?, bakelite, assorted metals. 59677
View Record Marconi Crystal Receiver Type 16 1916 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, teak, bakelite, brass, steel?, copper. 63794
View Record Newton Induction Coil c. 1899 Newton & Co. London Mahogany, brass, ebonite, wax, paper, celluloid. 69748
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-Osram Radio Valve Type DER c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, steel, plastic?, brass?, assorted metals. 48922
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 Tuned Circuit Transmitter c. 1900 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, plastic, celluloid, brass, glass, steel. 64464
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 'Megger' Resistance Meter Early 20th Century Evershead & Vignoles Ltd. London Teak, glass, steel?, brass, bakelite, assorted metals. 45250
View Record Induction Coil 1900s Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, ivory?, copper. 17841
View Record 'Marconi' Direction Finder Type DFM2 c. 1927 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, ebonite, glass, bakelite, celluloid, steel. 65922
View Record Newton Induction Coil 1897 Newton & Co. London Mahogany, brass, ivory?, celluloid, ebonite. 94316
View Record Marconi Induction Coil Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, plastic, brass, ivory?, copper 88737
View Record Gulstad Relay Early 20th Century Elliot Brothers (London) Ltd. London Metal, brass, glass, nickel. 91761
View Record Telephone Relay Type G c. 1908 S.G. Brown. London Mahogany, steel?, brass. 13183
View Record Tapped Inductance Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, copper, ebonite. 43561
View Record Two-Way Morse Key 1900s Siemens Bros. & Co. London Brass, ebonite, steel 53048
View Record Aircraft Direction Finder Receiver Type AD16 c. 1928 Marconi's Wireless Telegraph Co. Ltd. London Wood, cloth, bakelite, ebonite, glass, celluloid 90152
View Record Marconi Telegraph Communication Chart c. 1922 Marconi International Marine Communication Co. Ltd. London Wood, glass, paper. 27846
View Record Marconi Telegraph Communication Chart c. 1922 Marconi International Marine Communication Co. Ltd. London Wood, glass, paper. 59984
View Record Telegraph Relay Early 20th Century H.W. Sullivan. London Mahogany, baize, glass, brass, iron?, assorted metals. 34506
View Record Morse Key Early 20th Century Elliot Brothers (London) Ltd. London Teak, bakelite?, brass. 70589
View Record Instruction Booklets For Marconi Wavemeters c. 1919 Sanders, Phillips & Co. Ltd. London Paper. 86206
View Record Marconi Sykes Microphone c. 1923 Marconi's Wireless Telegraph Co. Ltd. London Iron, ebonite, brass, nickel. 79721
View Record 'Marconi' Wavemeter Type No 2 c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Teak, glass, steel, ebonite, leather, assorted metals. 52068
View Record 'Marconi' Wavemeter Instruction Leaflet c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Paper. 98851
View Record Marconi-Osram Radio Valve Type DET 1A 20th Century Marconi-Osram Valve Co. Ltd. London Glass, nickel-plated, brass, plastic?, assorted metals. 64933
View Record 12 Volt Fleming Valve c. 1905 Ediswan. London Wood, baize, brass?, nickel, glass, ebonite. 89981
View Record Marconi Radio Valve Type MT1 c. 1919 Marconi-Osram Valve Co. Ltd. London Glass, nickel, assorted metals. 48681
View Record 'Marconi' Tuning Fork 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, copper, nickel, steel, iron. 87284
View Record 'Marconi' Tuning Fork Type BS10 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, copper, nickel, steel, iron. 69685
View Record Magnetic Detector 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, bakelite, iron. 99266
View Record 18-Inch Induction Coil 1898 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, copper, ivory?, steel. 81193
View Record Morse Key Type 365 20th Century Marconi International Marine Communication Co. Ltd. London Steel, enamel, brass, nickel, ebonite. 83986
View Record Variometer And Sliding Capacitor Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, copper, ebonite, nickel, steel. 44318
View Record Experimental Fleming Valve c. 1889 Prof. J.A. Fleming. London Glass, nickel, steel, ebonite, wood. 85593
View Record 4 Volt Experimental Fleming Oscillation Valve 1904 Ediswan. London Wood, glass, steel?, brass. 86405
View Record Candlestick Microphone c. 1927 Sterling Telephone & Electric Co. Ltd. London Bakelite, steel, plastic, assorted metals. 78582
View Record Three-Position Switch Early 20th Century Griffin. London Mahogany, brass, ebonite, celluloid. 40839
View Record Onwood's Patent Ohmmeter Early 20th Century Gambrell Brothers Ltd. London Teak?, glass, nickel, brass, ebonite, assorted metals. 95036
View Record Morse Tape Inker c. 1900 Siemens Brothers. London Brass, mahogany, paper, assorted metals. 20877
View Record Variometer c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, rope, porcelain, mahogany, brass, bakelite. 96466
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 Marconi Radio Valve Type MT1 Early 20th Century Marconi-Osram Valve Co. Ltd. London Glass, nickel, assorted metals. 46376

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