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Displaying 11 to 60 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Newton Induction Coil 1897 Newton & Co. London Mahogany, brass, ivory?, celluloid, ebonite. 94316
View Record Multiple Oscillator c. 1898 Unknown England Brass, ebonite, mahogany. 32103
View Record 18-Inch Induction Coil 1898 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, copper, ivory?, steel. 81193
View Record Grasshopper Send-Receive Morse Key c. 1899 Wireless Telegraph & Signal Company Limited England Brass, ebonite, mahogany. 79280
View Record Early Coherer No 217 c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 55585
View Record Early Coherer c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 88920
View Record Exhibition Medal Exposition of Electricity And Serious Industry Dated 1899 Unknown Italy Aluminium 72905
View Record Newton Induction Coil c. 1899 Newton & Co. London Mahogany, brass, ebonite, wax, paper, celluloid. 69748
View Record Tuned Transmitter 1899 Guglielmo Marconi. England Wood, glass, brass, assorted metals. 98396
View Record Early Coherer c. 1899 Unknown Chelmsford, England Glass, copper, nickel, silver, assorted metals. 34674
View Record Early Coherer c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 17473
View Record Early Coherer c. 1899 Unknown France Glass, copper, nickel, silver, assorted metals. 57633
View Record Early Coherer c. 1899 Unknown England Glass, copper, nickel, silver, assorted metals. 72143
View Record Marconi Induction Coil 1899 Marconi Company. London Ebonite, platinum, brass, plastic?, ebonite. 23658
View Record Morse Key c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Brass, ebonite, mahagony. 86892
View Record Tilting Board c. 1899 Guglielmo Marconi. England Iron?, wood. 46382
View Record 'Long Tom' Aerial Tuning Inductance Coil c. 1900 Marconi's Wireless Telegraph Co. Ltd. Unknown Copper?, wood, softwood, brass. 70198
View Record Large Cylindrical Leyden Jar 1900 Unknown Unknown Glass, teak?, brass. 85146
View Record Bank Of Six Leyden Jar Condensers 1900 Unknown Unknown Glass, brass, mahogany, felt. 17579
View Record Bank Of Six Leyden Jar Condensers 1900 Unknown Unknown Glass, brass, mahogany, teak?, felt. 24931
View Record 1901 Transatlantic Self-Restoring Coherer c. 1901 Lieutenant Luigi Solari. Italy Glass, ebonite, brass, mercury, iron/carbon. 96386
View Record Marconi's Sword-Stick c. 1900 Unknown Unknown Cane, gilt-metal, steel, turquoise. 74444
View Record Morse Tape Inker c. 1900 Siemens Brothers. London Brass, mahogany, paper, assorted metals. 20877
View Record Signal Hall Kite c. 1901 G.C. Spencer & Sons. London Linen 74328
View Record Experimental Billi Condenser c. 1900 Unknown Unknown Copper?, steel?, ebonite, brass, mahogany, plywood, bakelite, celluloid. 24292
View Record Morse Tape Inker c. 1900 Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany, paper. 99765
View Record Morse Tape Inker c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany, paper. 71246
View Record Tuned Circuit Transmitter c. 1900 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, plastic, celluloid, brass, glass, steel. 64464
View Record 1901 Transatlantic Receiver 1901 Collier-Marr Telephone & Electrical Manufacturing Co. Ltd. Manchester Brass, ebonite, iron. 96661
View Record 1901 Transatlantic Billi Condenser c. 1901 Unknown Unknown Copper, waxed paper. 94060
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

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