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Displaying 131 to 150 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Leclanche Cell Early 20th Century General Electric Co. Ltd. USA Glass, earthenware?, steel. 78623
View Record Morse Key Type 100A Early 20th Century Marconi International Marine Communication Co. Ltd. Britain Nickel, mahogany, ebonite, steel. 47410
View Record Morse Key Type 100A Early 20th Century Marconi International Marine Communication Co. Ltd. Britain Nickel, mahogany, ebonite, steel. 24429
View Record Switch And Lamp Type 94 Early 20th Century Unknown Unknown Teak?, brass, glass, porcelain?, metal. 54481
View Record Coil Condensor Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Brass?, wood. 97470
View Record Gray Magnetic Relay Key c. 1910 Marconi's Wireless Telegraph Co. Ltd. London Teak, iron?, ebonite? wood, metal alloy, silver. 56506
View Record Double-Pole Single-Throw Switch Early 20th Century Unknown England Ebonite, wood, teak?, steel, brass, copper alloy. 91708
View Record 'Marconi' Wavemeter Type MP7 Early 20th Century Marconi 's Wireless Telegraph Co. Ltd. London Carborundum, paper, wood, plastic, ebonite, steel 49422
View Record Three-Turn Primary Coil Early 20th Century Unknown Unknown Wood, brass. 75930
View Record Marconi Crystal Receiver Type 31C 1910 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, nickel, mahogany?, bakelite. 21573
View Record Marconi Aerial Tuning Inductance Coil 1910 Marconi's Wireless Telegraph Co. Ltd. England Copper, nickel, teak?, brass. 69155
View Record Marconi Aerial Tuning Inductance Coil 1910 Marconi's Wireless Telegraph Co. Ltd. England Copper, nickel, teak?, brass. 47154
View Record Marconi Crystal Receiver Type 31C 1910 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, brass, mahogany?, bakelite. 67687
View Record Marconi Crystal Receiver Type 31 1910 Marconi's Wireless Telegraph Co. Ltd. London Brass, ebonite, teak, metal. 28284
View Record Aerial Lead-In Insulator Early 20th Century Unknown Unknown Earthenware, copper, iron. 26677
View Record Aerial Lead-In Insulator Early 20th Century Unknown Unknown Earthenware, copper, iron. 17338
View Record Marconi Operator's Watch c. 1910 Unknown Switzerland Enamel, nickel, glass. 72754
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 Single-Turn Primary Coil Early 20th Century Unknown Unknown Wood, brass. 61290
View Record 'Megger' Resistance Meter Early 20th Century Evershead & Vignoles Ltd. London Teak, glass, steel?, brass, bakelite, assorted metals. 45250

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