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Displaying 41 to 90 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Case For Coherer Receiver c. 1902 Marconi's Wireless Telegraph Co. Ltd. London Steel, brass. 91438
View Record Coherer Receiver 1902 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, steel. 67916
View Record Cold Cathode Ray Tube c. 1902 Unknown Unknown Glass, mahogany, copper, metal. 25358
View Record Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, steel, ebonite, nickel. 18119
View Record Exhibition Medal Exposition of Decorative and Modern Art Dated 1902 Unknown Italy Gilt metal 34377
View Record Ink-Writer c. 1900 General Post Office. England Mahogany, brass, glass, paper. 87203
View Record Early Experimental Coherer c. 1902 Unknown Unknown Glass, copper, cork, iron, assorted metals. 19433
View Record Early Coherer c. 1902 Unknown Unknown Glass, copper?, assorted metals. 53061
View Record Bone Coherer Support Rod c. 1902 Unknown Unknown Ivory, assorted metal components. 72278
View Record Early Coherer c. 1902 Unknown Unknown Glass, elastic, copper?, steel, assorted metals. 62930
View Record Brass-Tipped Bone Stylus c. 1902 Unknown Unknown Ivory, brass, assorted metals. 82611
View Record Cluster Of Six Small Glass Tubes c. 1902 Unknown Unknown Glass, elastic, steel, assorted metals. 80963
View Record Pillbox With Spare Coherer Parts c. 1902 Unknown Unknown Assorted metals, crystal, cardboard, cotton wool. 50538
View Record Civilian Gentleman's Ceremonial Sword c. 1902 J. B. Johnstone. London Steel, leather. 55702
View Record Civilian Gentleman's Ceremonial Cocked Hat c. 1902 J. B. Johnstone. London Cloth, steel. 78080
View Record Bone Coherer Support Rod c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Ivory, nickel?, copper, assorted metals. 87538
View Record Marconi Induction Coil Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, plastic, brass, ivory?, copper 88737
View Record Commemarative Plate c. 1903 W. Adams & Co. England Pottery 37493
View Record 4 Volt Experimental Fleming Oscillation Valve 1904 Ediswan. London Wood, glass, steel?, brass. 86405
View Record Assorted Early Coherer-Related Letters Early 20th Century Unknown Unknown Paper 51910
View Record Facsimile Of Fleming Letter c. 1904 J.A. Fleming. London Paper. 18292
View Record 4 Volt Fleming Valve c. 1905 Royal Ediswan. London Teak?, glass, ebonite, metal alloy, nickel, assorted metals. 67148
View Record 12 Volt Fleming Valve c. 1905 Ediswan. London Mahogany?, glass, ebonite, metal alloy, nickel, assorted metals. 89342
View Record Small Multiple Discharger Early 20th Century Unknown Unknown Brass, ebonite. 43387
View Record Multiple Oscillator Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Celluloid, ebonite, steel?, brass. 59526
View Record Multiple Oscillator Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Ebonite, steel?, brass. 84014
View Record Syntoniser Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Ebonite?, iron?, teak. 21593
View Record Ship's Wireless Spark-Gap 1905 Marconi's Wireless Telegraph Co. Ltd. London Brass, cast iron, teak, metal. 25812
View Record Rare Portable Lifeboat Transmitter Receiver c. 1905 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, bakelite, ebonite, metal. 12924
View Record 4 Volt Fleming Valve c. 1905 Royal Ediswan. London Brass, glass, assorted metals. 93660
View Record Fleming Valve c. 1905 Ediswan. London Copper, glass, brass, assorted metals. 67162
View Record 4 Volt Fleming Oscillation Valve c. 1905 Royal Ediswan. London Brass, glass, assorted metals. 21763
View Record Case For Coherer Receiver 1905 Marconi's Wireless Telegraph Co. Ltd. England Steel 98971
View Record Coherer Receiver Dated 1905 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, glass, ivory, ebonite, assorted metals. 99245
View Record 12 Volt Fleming Valve c. 1905 Royal Ediswan. London Glass, brass?, assorted metals. 77499
View Record Fleming Valve c. 1905 Ediswan. London Glass, assorted metals, brass. 21803
View Record Induction Coil 1900s Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, ivory?, copper. 17841
View Record Two-Way Morse Key 1900s Siemens Bros. & Co. London Brass, ebonite, steel 53048
View Record Telegraph Relay Early 20th Century H.W. Sullivan. London Mahogany, baize, glass, brass, iron?, assorted metals. 34506
View Record Small Morse Key Early 20th Century Unknown Unknown Steel, bakelite. 71452
View Record Morse Key Early 20th Century Elliot Brothers (London) Ltd. London Teak, bakelite?, brass. 70589
View Record Variometer And Sliding Capacitor Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, copper, ebonite, nickel, steel. 44318
View Record Remote-Control Switch Early 20th Century Unknown Unknown Teak, steel, cord, brass, copper. 97148
View Record Carborundum Detector Early 20th Century Unknown Unknown Ebonite, nickel. 90595
View Record Irwin Oscillograph Early 20th Century Robert W. Paul. London Iron?, brass, copper. 30624
View Record Discharger Early 20th Century Unknown Unknown Steel, brass, cast iron. 42997
View Record Induction Coil c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, wax, brass, ivory?, ebonite, celluloid. 12640
View Record 12 Volt Fleming Valve c. 1905 Ediswan. London Wood, baize, brass?, nickel, glass, ebonite. 89981
View Record Large Tuning Condenser c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Brass, glass, ebonite, teak, assorted metals. 48642
View Record Lead-Acid Accumulator Early 20th Century Unknown Unknown Teak, leather?, brass. 62812

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