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Displaying 481 to 580 of 655 records

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Heading Date Maker Place Materials Inv Num
View Record Siemens & Halske Radio Valve Type RE87 20th Century Siemens & Halske. Germany Glass, steel, brass, bakelite?, assorted metals. 77413
View Record 12 Volt Fleming Valve c. 1905 Royal Ediswan. London Glass, brass?, assorted metals. 77499
View Record Civilian Gentleman's Ceremonial Cocked Hat c. 1902 J. B. Johnstone. London Cloth, steel. 78080
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton 20th Century RCA. New Jersey, USA Glass, plastic?, steel, assorted metals. 78432
View Record Townsend Wavemeter c.1918 Marconi's Wireless Telegraph Co. Ltd. London Steel, bakelite?, teak, plastic, cardboard. 78507
View Record Candlestick Microphone c. 1927 Sterling Telephone & Electric Co. Ltd. London Bakelite, steel, plastic, assorted metals. 78582
View Record Leclanche Cell Early 20th Century General Electric Co. Ltd. USA Glass, earthenware?, steel. 78623
View Record Radio Receiver Type BC342N 1940s Unknown Unknown Steel, bakelite, glass, nickel, assorted metals. 78655
View Record Marconi Bellini-Tosi Direction Finder c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, bakelite, ebonite, steel?, copper. 78859
View Record Replica Righi Oscillator Late 20th Century Unknown Unknown Brass, ebonite?, plastic?, mahogany. 79026
View Record Transmitter Type AD87B c. 1940 Marconi's Wireless Telegraph Co. Ltd. England Steel, plastic, glass, bakelite, iron. 79145
View Record Three Port Circulator 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, metal. 79157
View Record Grasshopper Send-Receive Morse Key c. 1899 Wireless Telegraph & Signal Company Limited England Brass, ebonite, mahogany. 79280
View Record Osram Radio Valve Type CM8 20th Century Osram. England Glass, steel, bakelite?, assorted metals. 79293
View Record Assorted Copper Busbars And Ebonite Insulators Early 20th Century Unknown Unknown Copper, metal alloy?, ebonite. 79425
View Record Shunt Regulator Type OA 20th Century Unknown Unknown Brass, wood?, copper, iron. 79427
View Record Mazda Radio Valve Type PY33 With Carton 1960s Mazda. England Glass, steel, plastic?, assorted metals. 79516
View Record Marconi Sykes Microphone c. 1923 Marconi's Wireless Telegraph Co. Ltd. London Iron, ebonite, brass, nickel. 79721
View Record Marconi Radio Valve Type U10 20th Century Marconi-Osram Valves. London Glass, steel, plastic, assorted metals. 79785
View Record Gecophone Crystal Set c. 1921 GEC. Unknown Mahogany, bakelite?, ebonite, nickel, brass, steel 80012
View Record Marconi Radio Valve Type D42 20th Century Marconiphone Co. Ltd. England Glass, steel, bakelite?, assorted metals. 80037
View Record RCA Radiotron Radio Tube Type VR54 20th Century RCA. USA Plastic?, steel, assorted metals. 80165
View Record Marconi-Osram Radio Valve Type DER 1920s Marconi-Osram Valve Co. Ltd. London Glass, steel, brass?, plastic?, assorted metals. 80189
View Record Receiver Type R1155A c. 1942 Air Ministry. Unknown Aluminium, bakelite?, perspex?, steel. 80256
View Record Aircraft Wireless Receiver c. 1921 Marconi's Wireless Telegraph Co. Lt.d London Teak, nickel, ebonite, bakelite, brass, celluloid, assorted metals. 80281
View Record Zaerix Electronic Valve Type KTW61 Mid 20th Century Z & I Aero Services Ltd. London Glass, steel, plastic?, assorted metals. 80385
View Record Hytron Radio Tube Type E1148 With Carton Dated 1944 Hytron Corporation. Massachusetts, USA Mica, plastic?, glass, steel, assorted metals. 80500
View Record Fleming Valve c. 1889 Prof. J.A. Fleming. England Glass, nickel, steel, ebonite, wood. 80572
View Record National Union Radio Tube Type 35Z5GT With Carton c. 1942 National Union. USA Glass, plastic, steel, assorted metals. 80623
View Record Osram Radio Valve Type R c. 1918 Osram. England Glass, tungsten, brass?, steel, assorted metals. 80773
View Record Cluster Of Six Small Glass Tubes c. 1902 Unknown Unknown Glass, elastic, steel, assorted metals. 80963
View Record 18-Inch Induction Coil 1898 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, copper, ivory?, steel. 81193
View Record Ken-Rad Radio Tube Type 6SN7GT Mid 20th Century Ken-Rad. USA Glass, plastic?, steel, assorted metals. 81227
View Record Aircraft Wireless Telephone Transmitter Type AD1 1921 Marconi's Wireless Telegraph Co. Ltd. England Wood, linen, steel, bakelite, ebonite, brass, glass, assorted metals. 81229
View Record Marconi Receiver CR100 Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, plastic, nickel, bakelite, perspex, assorted metals. 81277
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 81565
View Record Walnut Kneehole Desk c. 1935 Unknown Unknown Walnut, brass. 82016
View Record Marconi-Osram Radio Valve Type R c. 1925 Marconi-Osram Valve Co. Ltd. London Glass, nickel, plastic?, brass?, assorted metals. 82041
View Record RCA Radiotron Radio Tube Type 6D6 20th Century RCA. USA Plastic?, steel, glass, assorted metals. 82120
View Record Rogers Radio Tube Type VR56 Mid 20th Century Rogers Canada. Canada Glass, steel, plastic?, assorted metals. 82126
View Record 'Marconi' Auto-Alarm Morse Key Type 316A c. 1920 Marconi Company. England Steel, ebonite?, bakelite?, metal. 82360
View Record Brass-Tipped Bone Stylus c. 1902 Unknown Unknown Ivory, brass, assorted metals. 82611
View Record Marconi Radio Valve Type V24 1920s Marconi-Osram Valves. London Glass, steel, assorted metals. 83077
View Record Mullard Radio Valve Type 2D4A Mid 1930s Mullard. Britain Glass, plastic?, steel, assorted metals. 83305
View Record Dario Radio Valve Micro Special Mid 20th Century Dario. France Glass, plastic?, steel, assorted metals. 83471
View Record Marconi Radio Valve Type DEV c. 1923 Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 83921
View Record Morse Key Type 365 20th Century Marconi International Marine Communication Co. Ltd. London Steel, enamel, brass, nickel, ebonite. 83986
View Record Multiple Oscillator Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Ebonite, steel?, brass. 84014
View Record Triple Crystal Detector Early 20th Century Unknown Unknown Brass, copper, ebonite. 84133
View Record Marconi-Osram Radio Valve Type MPT4 Late 1920s Marconi-Osram Valve Co. Ltd. London Glass, plastic?, steel, assorted metals. 84752
View Record Company Seal Embosser GEC-Elliot Automation Ltd 20th Century Unknown Britain Nickel, iron?, steel, baize. 84767
View Record Philips Radio Valve Type R 1920s Philips. Holland Glass, steel, bakelite?, brass?, tungsten, assorted metals. 84869
View Record RCA Radiotron Radio Tube Type 6D6 With Carton 20th Century RCA. New Jersey, USA Plastic?, steel, glass, assorted metals. 84925
View Record Large Cylindrical Leyden Jar 1900 Unknown Unknown Glass, teak?, brass. 85146
View Record Marconi-Osram Radio Valve Type R c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, nickel, plastic?, brass?, assorted metals. 85569
View Record Experimental Fleming Valve c. 1889 Prof. J.A. Fleming. London Glass, nickel, steel, ebonite, wood. 85593
View Record Short Wave Receiver Type 372 Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. London Metal, plastic?, glass. 85745
View Record Instruction Booklets For Marconi Wavemeters c. 1919 Sanders, Phillips & Co. Ltd. London Paper. 86206
View Record Marconi's Coherer Receiver 1896 Guglielmo Marconi. England Steel, teak, brass, glass, mahogany?, ivory, assorted metals. 86390
View Record 4 Volt Experimental Fleming Oscillation Valve 1904 Ediswan. London Wood, glass, steel?, brass. 86405
View Record BBC Radio Crystals With Tin Early 20th Century BBC Crystal Ltd. Britain Mica?, tin. 86416
View Record Mazda Radio Tube Type AR8 c. 1938 Mazda. England Glass, plastic?, steel, assorted metals. 86462
View Record Tungsram Radio Valve Type P43t-38 With Carton 20th Century Tungsram. France Glass, halogen, steel, ceramic?, copper?, plastic?, assorted metals. 86475
View Record Silvertown Condensor Marked 1918 Silvertown. USA Brass, ebonite, iron?, teak. 86740
View Record Morse Key c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Brass, ebonite, mahagony. 86892
View Record Tuned Field Transmitter 1907 Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany, glass, ebonite. 87142
View Record Marconi Radio Valve 1920s/1930s Marconiphone Co. Ltd. England Glass, steel, plastic?, assorted metals. 87176
View Record Ink-Writer c. 1900 General Post Office. England Mahogany, brass, glass, paper. 87203
View Record Triple X-Stopper Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Ebonite, brass, mahogany, metal alloy. 87224
View Record 'Marconi' Tuning Fork 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, copper, nickel, steel, iron. 87284
View Record Bone Coherer Support Rod c. 1900 Marconi's Wireless Telegraph Co. Ltd. England Ivory, nickel?, copper, assorted metals. 87538
View Record Coil-Type Testing Buzzer With Case Early 20th Century Unknown Unknown Wood, brass, copper, fibre, ebonite. 87609
View Record Coil For Receiver Type R1155A c. 1940 Air Ministry. Unknown Iron, bakelite?, steel. 87758
View Record Marconi Radio Valve Type LP2 1930s Marconi-Osram Valves. England Glass, steel, bakelite, assorted metals. 88183
View Record Company Seal Embosser Marconi Television Company Ltd 20th Century Unknown Britain Steel, wood, cooper. 88195
View Record Empty Case Of Forward Spark 'B' Wavemeter No. 1360 c. 1918 War Department Signals Flying Corps. Britain Teak 88505
View Record Instruction Booklet for Marconi Kryha Cipher Machine c. 1922 Marconi Company. London Paper 88541
View Record Marconi Emblem Plaque 20th Century Marconi Company. England Bronze, paint. 88561
View Record Marconi Induction Coil Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, plastic, brass, ivory?, copper 88737
View Record Marconi Radio Valve Type DE6 c. 1925 Marconi-Osram Valves. London Glass, bakelite, brass?, assorted metals. 88794
View Record Early Coherer c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 88920
View Record RCA Radiotron Radio Tube 42 With Carton 20th Century RCA. USA Glass, steel, plastic?, assorted metals. 89266
View Record 12 Volt Fleming Valve c. 1905 Ediswan. London Mahogany?, glass, ebonite, metal alloy, nickel, assorted metals. 89342
View Record Small Morse Key Early 20th Century Unknown Unknown Steel, plastic?, nickel, iron, copper. 89483
View Record Reproduction Photograph Of Dame Melba 20th Century Unknown England Cardboard, photographic paper. 89558
View Record Telephone Jigger Box c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, plastic?, cooper. 89862
View Record 12 Volt Fleming Valve c. 1905 Ediswan. London Wood, baize, brass?, nickel, glass, ebonite. 89981
View Record Marconiphone Two-Valve Receiver Type V2A c. 1924 Marconiphone Co. Ltd. England Mahogany, celluloid, ebonite, bakelite, nickel, steel, assorted metals. 90029
View Record Aircraft Direction Finder Receiver Type AD16 c. 1928 Marconi's Wireless Telegraph Co. Ltd. London Wood, cloth, bakelite, ebonite, glass, celluloid 90152
View Record Carborundum Detector Early 20th Century Unknown Unknown Ebonite, nickel. 90595
View Record Marconi Radio Valve Type V24 1920s Marconi Osram Valves. London Glass, steel, assorted metals. 90635
View Record Stud Motor Starter Early 20th Century Electric Construction Co. Ltd. Wolverhampton, England Brass, copper, iron, steel, metal alloys. 90897
View Record Audion Radio Valve c. 1907 Lee De Forest. USA Glass, assorted metals. 90974
View Record Walnut Wardrobe c. 1930 Unknown Unknown Walnut, brass, glass, metal. 91156
View Record Case For Coherer Receiver c. 1902 Marconi's Wireless Telegraph Co. Ltd. London Steel, brass. 91438
View Record Company Seal Embosser Betram Thomas Ltd 20th Century Jordan & Sons Ltd. London Wood, steel, cooper, brass, metal. 91470
View Record Radio Valve Type CV1342 1950s Unknown Britain Glass, plastic?, steel, assorted metals. 91546
View Record Righi Oscillator 20th Century Marconi's Wireless Telegraph Co. Ltd. London Plastic, celluloid, mahogany, brass, ebonite, bakelite 91607
View Record Radio Valve Type ARP12 c. 1939 Unknown England Glass, plastic?, steel, assorted metals. 91673
View Record RCA Radiotron Radio Tube Type 80 With Carton 20th Century RCA. New Jersey, USA Glass, plastic?, steel, assorted metals. 91686

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