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Displaying 221 to 270 of 655 records

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Heading Date Maker Place Materials Inv Num
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
View Record Marconi Bellini-Tosi Direction Finder c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, bakelite, ebonite, steel?, copper. 20815
View Record Marconi Radio Valve Type Q c. 1916 Ediswan. London Glass, steel, assorted metals. 33191
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 32845
View Record Osram-GEC Radio Valve Type R4 c. 1916 Osram G.E.C. England Teak?, glass, brass, tungsten, assorted metals. 59017
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 35122
View Record Fama Radio Valve Type R c. 1916 Fama. Holland Glass, brass, bakelite?, assorted metals. 73073
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 Round Radio Valve Type N c. 1915 Ediswan. London Glass, steel, asbestos, platinum-iridium, assorted metals. 22293
View Record Marconi Crystal Receiver Type 16 1916 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, teak, bakelite, brass, steel?, copper. 63794
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Brass, ebonite, celluloid. 66117
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 75237
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass, bakelite. 34701
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass, bakelite. 96057
View Record Small Tuning Condenser c. 1916 Marconi's Wireless Telegrap Co. Ltd. England Mahogany?, ebonite, bakelite, celluloid, brass. 69944
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 Instruction Manual For The Marconi Direction Finder Type No. 6 c. 1916 Sanders Phillips & Co. Ltd. London Paper. 23434
View Record Experimental Two-Valve Set c. 1916 Unknown Unknown Ebonite, teak, brass. 94035
View Record Telephone Jigger Box c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, plastic?, cooper. 89862
View Record Instruction Manuals For Marconi Crystal Receiver Type 16 c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Paper. 39535
View Record Short Wave Receiver Type CM294C Dated 1917 Marconi's Wireless Telegraph Co. of America. USA Ebonite, mahogany?, brass, nickel, bakelite, copper, aluminium?, steel. 46600
View Record Marconi Radio Valve Type R c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Glass, nickel, steel?, tungsten, assorted metals. 94475
View Record Osram-GEC Radio Valve Type R4 1917 Osram-GEC. England Teak?, glass, copper?, tungsten, assorted metals. 96640
View Record Siemens & Halske Experimental Radio Valve c. 1917 Siemens & Halske. Germany Glass, bakelite?, steel, assorted metals. 50748
View Record Album of Direction Finder c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Paper. 34635
View Record Forward Spark 'B' Wavemeter No. 1511 c. 1918 War Department Signals Flying Corps. Britain Steel, brass, bakelite?, teak, carborundum. 12772
View Record Empty Case Of Forward Spark 'B' Wavemeter No. 2001 c. 1918 War Department Signals Flying Corps. Britain Teak. 71985
View Record Empty Case Of Forward Spark 'B' Wavemeter No. 1360 c. 1918 War Department Signals Flying Corps. Britain Teak 88505
View Record Empty Case Of Forward Spark 'B' Wavemeter c. 1918 War Department Signals Flying Corps. Britain Teak 37889
View Record Amplifier Type 91 c. 1918 Marconi's Wireless Telegraph Co. Ltd. London Teak, nickel, glass, steel? bakelite. 39440
View Record Variable Pitch Generator Windmill Early 20th Century Unknown Unknown Metal alloy, iron. 32380
View Record Osram Radio Valve Type R c. 1918 Osram. England Glass, tungsten, brass?, steel, assorted metals. 80773
View Record GPO Radio Valve Type No 2 20th Century Unknown Britain Glass, brass, plastic?, nickel. 26614
View Record Large Switchboard Type 95 Early 20th Century Marconi International Marine Communication Co. Ltd. England Wood, iron, glass, nickel, assorted metals. 12779
View Record Forward 'B' Spark Wavemeter No. 1339 c. 1918 War Department Signals Flying Corps. Britain Steel, brass, bakelite?, teak, carborundum. 22136
View Record Townsend Wavemeter c.1918 Marconi's Wireless Telegraph Co. Ltd. London Steel, bakelite?, teak, plastic, cardboard. 78507
View Record Townsend Wavemeter Dated 1918 Marconi's Wireless Telegraph Co. Ltd London Bakelite?, teak, paper/cardboard?, plastic, ebonite. 92109
View Record Silvertown Condensor Marked 1918 Silvertown. USA Brass, ebonite, iron?, teak. 86740
View Record 'Marconi' Amplifier Type GA2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, leather, steel, assorted metals. 47978

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