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Displaying 181 to 230 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Graduated Swivelling Coils For Triple Crystal Detector Early 20th Century Unknown Unknown Copper, steel, tape. 28254
View Record Proof Print of Marconi c. 1914 G. B. Black London Paper, plastic, cork. 56351
View Record Interrupter Type 144 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Cast iron, nickel, teak. 53329
View Record Aerial Switch Type 272 Early 20th Century Marconi International Marine Communication Co. Ltd. England Wood, peak, steel, nickel, porcelain, ebonite. 27556
View Record Tapped Inductance Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, copper, ebonite. 43561
View Record Portrait of Marconi 1914 Gustave Muranyi Unknown Oil, canvas, wood, brass, paper, cotton? 65827
View Record Generator Propellor Early 20th Century Unknown Unknown Mahogany. 95808
View Record Porcelain Insulators 20th Century Unknown Unknown Porcelain, brass, steel?, ebonite. 64661
View Record Short Wave Tuner & Amplifier No. 17 c. 1915 Robert W. Paul. London Mahogany, ebonite, bakelite?, brass. 44893
View Record Precision Instrument Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Bakelite, glass, brass, copper, assorted metal, iron` 69707
View Record Precision Instrument Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Teak, glass, bakelite, brass, iron, assorted metals. 97073
View Record Metal Component Pair FT-162 For Radio 20th Century Unknown Unknown Iron?, steel, nickel. 18465
View Record Voltmeter With Case Early 20th Century Unknown Britain Oak, brass, glass, celluloid, paper, assorted metals. 65935
View Record Tuning Condenser c. 1915 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 98095
View Record Tuning Condenser c. 1915 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 18093
View Record Giant Radio Valve 1910s GEC. England Glass, polymer, brass, plastic?, nickel. 70075
View Record Decade Condenser Type 21F Early 20th Century Muirhead & Co. Ltd. Britain Teak, bakelite, plastic?, steel. 17600
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. 72842
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, plastic, assorted metals. 57185
View Record Large Rotary Converter Dated 1915 Electric Construction Co. Ltd. Wolverhampton, England Iron, steel, brass, copper, metal alloy. 29140
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

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