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Displaying 201 to 250 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Stud Field Regulating Rheostat Early 20th Century Electric Construction Co. Ltd. Wolverhampton, England Brass, steel, iron, metal alloys 65352
View Record Stud Motor Starter Early 20th Century Electric Construction Co. Ltd. Wolverhampton, England Brass, copper, iron, steel, metal alloys. 90897
View Record Pair Of Mounted Guard Lamps Early 20th Century Unknown Unknown Mahogany?, glass, copper, brass. 24488
View Record Low Frequency Iron Core Inductance In Wooden Box Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Iron, brass, teak. 68721
View Record Large Emergency Morse Key Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Brass, metal alloy, teak, ebonite. 31025
View Record Large Main Morse Key Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany, brass, metal alloy, ebonite. 53026
View Record Magnetic Key Relay Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Teak, brass, steel, unknown material, wood. 99331
View Record Large Main Condenser With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Wood, jute, brass, iron. 58903
View Record Large Fixed-Gap Discharger With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Teak, brass, lead?, metal alloy, sand?, ebonite?, steel. 65806
View Record High Frequency Sliding Inductance Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Brass, ebonite, mahogany. 72720
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
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

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