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Displaying 71 to 120 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Fleming Valve c. 1905 Ediswan. London Copper, glass, brass, assorted metals. 67162
View Record 4 Volt Fleming Oscillation Valve c. 1905 Royal Ediswan. London Brass, glass, assorted metals. 21763
View Record Case For Coherer Receiver 1905 Marconi's Wireless Telegraph Co. Ltd. England Steel 98971
View Record Coherer Receiver Dated 1905 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, glass, ivory, ebonite, assorted metals. 99245
View Record 12 Volt Fleming Valve c. 1905 Royal Ediswan. London Glass, brass?, assorted metals. 77499
View Record Fleming Valve c. 1905 Ediswan. London Glass, assorted metals, brass. 21803
View Record Induction Coil 1900s Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, ivory?, copper. 17841
View Record Two-Way Morse Key 1900s Siemens Bros. & Co. London Brass, ebonite, steel 53048
View Record Telegraph Relay Early 20th Century H.W. Sullivan. London Mahogany, baize, glass, brass, iron?, assorted metals. 34506
View Record Small Morse Key Early 20th Century Unknown Unknown Steel, bakelite. 71452
View Record Morse Key Early 20th Century Elliot Brothers (London) Ltd. London Teak, bakelite?, brass. 70589
View Record Variometer And Sliding Capacitor Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, copper, ebonite, nickel, steel. 44318
View Record Remote-Control Switch Early 20th Century Unknown Unknown Teak, steel, cord, brass, copper. 97148
View Record Carborundum Detector Early 20th Century Unknown Unknown Ebonite, nickel. 90595
View Record Irwin Oscillograph Early 20th Century Robert W. Paul. London Iron?, brass, copper. 30624
View Record Discharger Early 20th Century Unknown Unknown Steel, brass, cast iron. 42997
View Record Induction Coil c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, wax, brass, ivory?, ebonite, celluloid. 12640
View Record 12 Volt Fleming Valve c. 1905 Ediswan. London Wood, baize, brass?, nickel, glass, ebonite. 89981
View Record Large Tuning Condenser c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Brass, glass, ebonite, teak, assorted metals. 48642
View Record Lead-Acid Accumulator Early 20th Century Unknown Unknown Teak, leather?, brass. 62812
View Record Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, glass, brass, ebonite, bakelite, iron. 18289
View Record Toothed Disc For Rotary Spark Discharger c. 1906 Unknown Unknown Brass 91762
View Record Rotary Spark Discharger c. 1906 Unknown Unknown Steel, brass, cast-iron, 64999
View Record Fleming Valve c. 1905 Ediswan. London Copper, glass, brass, assorted metals. 41677
View Record Tuning Condenser No 4 c. 1906 Marconi's Wireless Telegraph Co. Ltd. England Ebonite, brass, paper. 20696
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 Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, bakelite, iron. 75969
View Record Induction Coil For Tuned Field Transmitter 1907 Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany, ebonite. 30667
View Record Cover For Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, brass, glass, paper. 13774
View Record Cover For Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, brass, glass. 74506
View Record Ship's Transmitter Jigger Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany. 29208
View Record Tuned Field Transmitter 1907 Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany, glass, ebonite. 87142
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 Trembler Coil c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Teak, bakelite, steel, nickel. 64976
View Record Trembler Coil c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Teak, nickel, ebonite?, steel. 61771
View Record Bellini-Tosi Direction Finder 1907 E. Bellini & A. Tosi. France Walnut, brass, steel?, iron, bakelite, ebonite. 14937
View Record Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, brass, copper, bakelite. 28107
View Record Gulstad Relay Early 20th Century Elliot Brothers (London) Ltd. London Metal, brass, glass, nickel. 91761
View Record Tuning Condenser c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Ebonite, steel?, nickel. 28159
View Record Tuning Condenser c. 1907 Unknown Italy Brass, steel?, ebonite. 41634
View Record Magnetic Detector 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, bakelite, iron. 99266
View Record Marconi Watercolour c. 1906 Leslie Ward. England Watercolours, wood, glass, paper. 71104
View Record Marconi Wavemeter Type MC1 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, bakelite, glass, metal?, plastic. 49948
View Record Bellini-Tosi Radiogoniometer c. 1907 Bellini & Tosi. France Oak, brass, ebonite, metal. 37692
View Record Triple X-Stopper Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Ebonite, brass, mahogany, metal alloy. 87224
View Record 120 Ohm Resistance Coil Early 20th Century Unknown Unknown Teak, steel, wax, assorted metals. 64043
View Record Onwood's Patent Ohmmeter Early 20th Century Gambrell Brothers Ltd. London Teak?, glass, nickel, brass, ebonite, assorted metals. 95036
View Record Terminal Early 20th Century Unknown Unknown Ebonite, brass?, steel. 54685

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