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Displaying 111 to 130 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Ship's Wireless Spark-Gap 1905 Marconi's Wireless Telegraph Co. Ltd. London Brass, cast iron, teak, metal. 25812
View Record Cossor Radio Valve Type V10 20th Century Cossor. England Glass, steel, plastic?, oxide, assorted metals. 26034
View Record Marconi Radio Valve Type DEQ c. 1923 Marconi Valves. England Glass, steel, assorted valves. 26547
View Record GPO Radio Valve Type No 2 20th Century Unknown Britain Glass, brass, plastic?, nickel. 26614
View Record Aerial Lead-In Insulator Early 20th Century Unknown Unknown Earthenware, copper, iron. 26677
View Record Mazda Radio Valve Type PY33 With Carton 1960s Mazda England Glass, steel, plastic?, assorted metals. 26731
View Record Marzi Microphone 1910 Marzi Company. France Wood, aluminium, steel. 27140
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 27357
View Record Mullard Wecovalve Radio Valve Peanut Type With Carton c. 1920 Mullard Radio Valve Co. Ltd. England Glass, steel, plastic?, assorted metals. 27364
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 Marconi Receiver Type AD8882B c. 1939 Marconi's Wireless Telegraph Co. Ltd. London Steel, bakelite?, perspex?, steel. 27685
View Record Illuminated Globe 1971 George Philip & Son Limited London Plastic, paper, glass, assorted metals. 27716
View Record Replica Grasshopper Send-Receive Morse Key 1970s Unknown Unknown Brass, plastic?, mahogany. 27753
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 27778
View Record Marconi Telegraph Communication Chart c. 1922 Marconi International Marine Communication Co. Ltd. London Wood, glass, paper. 27846
View Record Horn Loudspeaker Type AR19 c. 1923 Graham Amplion Ltd. London Oak, brass, baize. 28052
View Record Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, brass, copper, bakelite. 28107
View Record Hivac Radio Valve Type CV1052 Mid 20th Century Hivac. England Glass, plastic?, steel, assorted metals. 28126
View Record Tuning Condenser c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Ebonite, steel?, nickel. 28159
View Record Graduated Swivelling Coils For Triple Crystal Detector Early 20th Century Unknown Unknown Copper, steel, tape. 28254

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