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Displaying 551 to 650 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Replica Morse Key Late 20th Century Unknown Unknown Teak, plastic?, brass. 44566
View Record Main Starter Switch Early 20th Century Unknown Unknown Iron, brass, copper, celluloid?, bakelite?, wood. 39443
View Record Main Starter Switch Early 20th Century Unknown Unknown Iron, brass, copper, celluloid?, bakelite?, wood. 92107
View Record Radio Valve Type VU120A Mid 20th Century Unknown Unknown Glass, plastic?, steel, assorted metals. 53371
View Record Mazda Radio Valve Type CV6 With Carton 20th Century Mazda Company. Unknown Glass, plastic?, steel, assorted metals. 38616
View Record Balloon Envelope Radio Valve 20th Century Unknown Unknown Glass, steel, bakelite, assorted metals. 92020
View Record Balloon Envelope Radio Valve Early 20th Century Unknown Unknown Glass, steel, bakelite?, assorted metals. 13172
View Record Radio-Special Micro Radio Valve Type E6 20th Century Unknown Unknown Glass, bakelite?, steel, assorted metals. 42700
View Record Radio Valve Type ML6C Mid 20th Century Unknown Unknown Glass, steel, ceramics, assorted metals. 28855
View Record Assorted Radio Valves 20th Century Unknown Unknown Glass, steel, brass, assorted metals. 46605
View Record Radio Valve Type P2 20th Century Unknown Unknown Glass, bakelite?, steel, assorted metals. 48561
View Record Metal Component Pair FT-162 For Radio 20th Century Unknown Unknown Iron?, steel, nickel. 18465
View Record Marconi Plastic Bust 20th Century Unknown Unknown Plastic, brass. 70226
View Record Single-Turn Primary Coil Early 20th Century Unknown Unknown Wood, brass. 61290
View Record Tuning Condenser Early 20th Century Unknown Unknown Brass, ebonite, assorted metals. 44153
View Record Replica Grasshopper Send-Receive Morse Key 1970s Unknown Unknown Brass, plastic?, mahogany. 27753
View Record 1901 Transatlantic Billi Condenser c. 1901 Unknown Unknown Copper, waxed paper. 94060
View Record 120 Ohm Resistance Coil Early 20th Century Unknown Unknown Teak, steel, wax, assorted metals. 64043
View Record Small Morse Key Early 20th Century Unknown Unknown Steel, bakelite. 71452
View Record Two Ebonite Tube Insulators Early 20th Century Unknown Unknown Ebonite. 76742
View Record Small Morse Key Early 20th Century Unknown Unknown Steel, plastic?, nickel, iron, copper. 89483
View Record Ship's Direction Finder 1920s Unknown Unknown Glass, plastic, bakelite, teak?, copper, assorted metals. 35780
View Record Marconi's Sword-Stick c. 1900 Unknown Unknown Cane, gilt-metal, steel, turquoise. 74444
View Record Remote-Control Switch Early 20th Century Unknown Unknown Teak, steel, cord, brass, copper. 97148
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, copper, plastic, assorted metals. 72842
View Record Call Sign 20th Century Unknown Unknown Mahogany, plastic, metal. 92097
View Record Call Sign 20th Century Unknown Unknown Mahogany, plastic, metal. 72238
View Record Ship's Bridge Telephone Early 20th Century Unknown Unknown Mahogany?, nickel, bakelite?, plastic, assorted metals. 57185
View Record Small Coupled Two-Way Switch Early 20th Century Unknown Unknown Steel, brass, iron?, bakelite?, mahogany?, ebonite. 61022
View Record Carborundum Detector Early 20th Century Unknown Unknown Ebonite, nickel. 90595
View Record Terminal Early 20th Century Unknown Unknown Ebonite, brass?, steel. 54685
View Record Early Coherer c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 17473
View Record Assorted Early Coherer-Related Letters Early 20th Century Unknown Unknown Paper 51910
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 Magneto-Electric Machine Late 19th Century Unknown Unknown Boxwood?, steel?, brass, velvet. 54945
View Record Quenched Spark Disc Unit 20th Century Unknown Unknown Iron, nickel, ebonite, assorted metals. 53392
View Record Quenched Spark Disc Unit 20th Century Unknown Unknown Iron, nickel, ebonite, assorted metals. 19420
View Record Transmitter Tuner Type MC13 c. 1930 Unknown Unknown Steel, nickel, plastic, assorted metals. 18269
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 Spare Wires 20th Century Unknown Unknown Plastic, brass?, steel. 70800
View Record Replica Righi Oscillator Late 20th Century Unknown Unknown Brass, ebonite?, plastic?, mahogany. 79026
View Record 'Cow's Tail' Insulator Early 20th Century Unknown Unknown Brass, wood, cable. 15574
View Record Portrait of Marconi 1914 Gustave Muranyi Unknown Oil, canvas, wood, brass, paper, cotton? 65827
View Record Walnut Armchair c. 1930 Unknown Unknown Walnut, leather. 55254
View Record Walnut Wardrobe c. 1930 Unknown Unknown Walnut, brass, glass, metal. 91156
View Record Walnut Side Table c. 1930 Unknown Unknown Walnut, brass. 48312
View Record Walnut Kneehole Desk c. 1935 Unknown Unknown Walnut, brass. 82016
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 Marconi Reproduction Photograph 20th Century J. Beuyann. Unknown Photographic print. 96591
View Record Discharger Early 20th Century Unknown Unknown Steel, brass, cast iron. 42997
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 Radio Receiver Type BC342N 1940s Unknown Unknown Steel, bakelite, glass, nickel, assorted metals. 28392
View Record Ebonite Partition Insulator Early 20th Century Unknown Unknown Brass, ebonite. 47690
View Record Walnut Safe Cabinet c. 1930 Unknown Unknown Walnut, brass, steel. 92745
View Record Bust of T. L. Eckersley Late 20th Century K. Scott. Unknown Bronze, oak?, plaster, metal. 31421
View Record Marconi Studio Photographic Portrait 20th Century Unknown Unknown Cardboard, photographic paper. 34711
View Record Radio Receiver Type BC342N 1940s Unknown Unknown Steel, bakelite, glass, nickel, assorted metals. 78655
View Record Two Mica Crystals 20th Century Unknown Unknown Mica, mahogany, baize. 38233
View Record Pair Of Mounted Guard Lamps Early 20th Century Unknown Unknown Mahogany?, glass, copper, brass. 24488
View Record Large Iolanda Transformer With Case Early 20th Century Unknown Unknown Mahogany, metal alloy, brass, copper, wood. 57720
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 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 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 Radio Call Sign Early 20th Century Unknown Unknown Mahogany, paint. 20091
View Record Short Wave Receiver Type CM294C Dated 1917 Marconi's Wireless Telegraph Co. of America. USA Ebonite, mahogany?, brass, nickel, bakelite, copper, aluminium?, steel. 46600
View Record Leclanche Cell Early 20th Century General Electric Co. Ltd. USA Glass, earthenware?, steel. 78623
View Record Silvertown Condensor Marked 1918 Silvertown. USA Brass, ebonite, iron?, teak. 86740
View Record Medal Roerich Museum Dated 1929 Henry Dropsy. USA Bronze 42576
View Record Audion Radio Valve c. 1907 Lee De Forest. USA Glass, assorted metals. 90974
View Record RCA Radiotron Radio Tube Type VR54 20th Century RCA. USA Plastic?, steel, assorted metals. 80165
View Record RCA Radiotron Radio Tube Type VR54 20th Century RCA. USA Plastic?, steel, assorted metals. 15408
View Record Ken-Rad Radio Tube Type 6SN7GT Mid 20th Century Ken-Rad. USA Glass, plastic?, steel, assorted metals. 81227
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 20th Century RCA. USA Glass, plastic?, steel, assorted metals. 15130
View Record RCA Radiotron Cunningham Radio Tube Type 5Z3 20th Century RCA. USA Glass, ribbon, steel, plastic?, assorted metals. 56681
View Record Raytheon Radio Tube Type 6J7G Mid 20th Century Raytheon. USA Glass, steel, plastic?, assorted metals. 39208
View Record RCA Radiotron Radio Tube 42 With Carton 20th Century RCA. USA Glass, steel, plastic?, assorted metals. 89266
View Record National Union Radio Tube Type 35Z5GT With Carton c. 1942 National Union. USA Glass, plastic, steel, assorted metals. 80623
View Record RCA Radiotron Radio Tube Type 6C8G With Carton 20th Century RCA. USA Plastic?, glass, steel, assorted metals. 72382
View Record RCA Radiotron Radio Tube Type 6B7 With Carton 20th Century RCA. USA Glass, plastic?, steel, assorted metals. 58967
View Record RCA Radiotron Radio Tube Type 6D6 20th Century RCA. USA Plastic?, steel, glass, assorted metals. 82120
View Record RCA Radiotron Radio Tube Type 6D6 20th Century RCA. USA Plastic?, steel, glass, assorted metals. 71527
View Record RCA Radiotron Radio Tube Type 6C6 With Carton 20th Century RCA. USA Glass, steel, plastic?, assorted metals. 48010
View Record RCA Radiotron Radio Tube Type 6C6 With Carton 20th Century RCA. USA Glass, steel, plastic?, assorted metals. 22269
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 92814
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, plastic?, assorted metals. 93609
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 92559
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 31425
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 36535

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