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Displaying 211 to 230 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Assorted Copper Busbars And Ebonite Insulators Early 20th Century Unknown Unknown Copper, metal alloy?, ebonite. 79425
View Record Ebonite Partition Insulator Early 20th Century Unknown Unknown Ebonite, copper?, brass. 43603
View Record Large Aerial Tuning Inductance With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany, ebonite, brass. 76739
View Record Large Main Jigger With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany?, ebonite, wood, brass. 14809
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 Earth Arrester Plate Early 20th Century Unknown Unknown Brass, copper. 73816
View Record Earth Arrester Plate Early 20th Century Unknown Unknown Brass, copper. 31083
View Record Large Wave-Shortening Condenser With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahongany, jute?, ebonite, steel, brass. 49571
View Record Large Iolanda Switchboard Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Ebonite, glass, copper, plastic?, steel?, brass, unidentified material. 54296
View Record Large Marine Charging Switchboard Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Ebonite?, metal alloy, glass, brass, assorted metals. 49739
View Record Two Ribbed Wooden Pillar Insulators Early 20th Century Unknown Unknown Wood, brass. 23387
View Record Coil-Type Testing Buzzer With Case Early 20th Century Unknown Unknown Wood, brass, copper, fibre, ebonite. 87609
View Record Small Buzzer Key With Base Early 20th Century Unknown Unknown Mahogany, brass, copper, plastic. 51297
View Record Two High Frequency Chokes In Mounted Cases Early 20th Century Unknown Unknown Mahogany, porcelain, copper, teak. 70536
View Record Ship's Bridge Telephone Early 20th Century Unknown None Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. 58568
View Record Radio Call Sign Early 20th Century Unknown Unknown Mahogany, paint. 20091
View Record Tuning Condenser With Capacitor Box c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, wood, ebonite, bakelite, celluloid, nickel, plywood. 48535
View Record 'Marconi' Wavemeter 20th Century Marconi's Wireless Telegraph Co. Ltd. London Boxwood, steel, bakelite?, leather, ebonite. 56547
View Record Experimental Two-Valve Set c. 1916 Unknown Unknown Ebonite, teak, brass. 76048
View Record Marconi Crystal Receiver With Valve c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, teak, bakelite, brass, steel?, copper. 99012

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