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Displaying 171 to 190 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Marconi Radio Thermal Delay Switch DLS-Type Early 20th Century Ediswan. London Glass, steel, bakelite?, assorted metals. 39568
View Record Facsimile Of Daily Sketch Dated 1912 E. Hulton & Co., Limited. England Paper. 96891
View Record Portrait of Marconi Dated 1912 A Chevalier Taylor London Oil, canvas, wood, plaster, cork, brass, paper, steel, nylon? 94575
View Record 'Marconi' Crystal Wavemeter Type MC2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Nickel, steel, glass, ebonite, bakelite, teak. 46042
View Record 'Marconi' Crystal Wavemeter Type MC2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Nickel, steel, glass, ebonite, bakelite, teak, copper, paper. 38737
View Record Two Ebonite Tube Insulators Early 20th Century Unknown Unknown Ebonite. 76742
View Record Vertical Precision Instrument Early 20th Century Unknown Unknown Brass, paint, bronze, assorted metals. 32039
View Record Triangular Base Early 20th Century Unknown Unknown Brass, iron, baize. 53033
View Record Manganin Coils Dial Bridge Early 20th Century W.G. Pye & Co. Cambridge, England Teak, ebonite, bakelite, brass, copper, celluloid, assorted metals. 31104
View Record Triple Crystal Detector Early 20th Century Unknown Unknown Brass, copper, ebonite. 84133
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

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