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Displaying 111 to 130 of 655 records

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Heading Date Maker Place Materials Inv Num
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
View Record Rotary Spark Discharger Early 20th Century Marconi's Wirelss Telegraph Co. Ltd. London Steel, brass, cast iron. 71249
View Record De Forest Audiotron Radio Valve Early 20th Century De Forest. Unknown Copper?, glass, assorted metals. 99552
View Record Exhibition Medal Franco-British Exhibition Dated 1908 F. Bowcher. Birmingham Gilt silver. 93608
View Record Audion Radio Valve c. 1907 Lee De Forest. USA Glass, assorted metals. 90974
View Record Telephone Relay Early 20th Century Unknown Britain Mahogany, brass, nickel. 46067
View Record Telephone Relay Type G c. 1908 S.G. Brown. London Mahogany, steel?, brass. 13183
View Record Direct Reading Portable Decremeter Dated 1909 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, leather, ebonite, bakelite. 28627
View Record Direct Reading Portable Decremeter Dated 1909 Marconi's Wireless Telegraph Co. Ltd. England Teak, brass, ebonite, bakelite, leather. 19011
View Record Precision Measuring Instrument With Case Early 20th Century Cambridge Scientific Co. Ltd. Cambridge, England Ebonite, brass, baize, mahogany. 41846
View Record 'Cow's Tail' Insulator Early 20th Century Unknown Unknown Brass, wood, cable. 15574

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