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Displaying 121 to 320 of 655 records

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Heading Date Maker Place Materials Inv Num
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
View Record Marconi Crystal Receiver Type 31 1910 Marconi's Wireless Telegraph Co. Ltd. London Brass, ebonite, teak, metal. 28284
View Record Radio Receiver Type BC342N 1940s Unknown Unknown Steel, bakelite, glass, nickel, assorted metals. 28392
View Record High-Discrimination Communication Receiver Type Rg 44 c. 1948 Marconi's Wireless Telegraph Co. Ltd. Chelmsford, England Steel, glass, bakelite, perspex, assorted metals. 28532
View Record Direct Reading Portable Decremeter Dated 1909 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, leather, ebonite, bakelite. 28627
View Record Radio Valve Type ML6C Mid 20th Century Unknown Unknown Glass, steel, ceramics, assorted metals. 28855
View Record Large Rotary Converter Dated 1915 Electric Construction Co. Ltd. Wolverhampton, England Iron, steel, brass, copper, metal alloy. 29140
View Record Ship's Transmitter Jigger Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Brass, mahogany. 29208
View Record Radio Valve Type ARP12 c. 1939 Unknown England Glass, plastic?, steel, assorted metals. 29233
View Record Marconi Radio Valve Type DEQ c. 1923 Marconi Valves. England Glass, steel, assorted metals. 29390
View Record Direction-Finding Coil For Receiver Type R1155A c. 1940 Air Ministry. Unknown Iron, bakelite?, plastic?, steel. 29505
View Record Marconi Radio Valve Type V24 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 29519
View Record 'Marconi' Direction Finder Type DFM2 c. 1927 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, ebonite, glass, bakelite, celluloid, steel. 29821
View Record RCA Radiotron Cunningham Radio Tube Type 5Z4 With Carton Mid 20th Century RCA. New Jersey, USA Plastic?, steel, assorted metals. 30472
View Record Irwin Oscillograph Early 20th Century Robert W. Paul. London Iron?, brass, copper. 30624
View Record Induction Coil For Tuned Field Transmitter 1907 Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany, ebonite. 30667
View Record National Union Radio Tube Type 12SA7GT With Carton c. 1942 National Union. New Jersey, USA Glass, plastic?, steel, assorted metals. 30961
View Record Large Emergency Morse Key Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Brass, metal alloy, teak, ebonite. 31025
View Record Earth Arrester Plate Early 20th Century Unknown Unknown Brass, copper. 31083
View Record Marconi's Parabolic Receiver c. 1896 Guglielmo Marconi. England Wood, copper, nickel, glass, assorted metals. 31092
View Record Manganin Coils Dial Bridge Early 20th Century W.G. Pye & Co. Cambridge, England Teak, ebonite, bakelite, brass, copper, celluloid, assorted metals. 31104
View Record Marconi Radio Valve Type Q c. 1919 Ediswan. London Glass, steel, assorted metals. 31396
View Record Puratone Rubon Radio Valve 1924 Puratone Rubon. Britain Glass, plastic, steel, assorted metals. 31417
View Record Bust of T. L. Eckersley Late 20th Century K. Scott. Unknown Bronze, oak?, plaster, metal. 31421
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 31425
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 31778
View Record RCA Radiotron Radio Tube Type 6D6 With Carton 20th Century RCA. New Jersey, USA Plastic?, steel, glass, assorted metals. 31810
View Record Vertical Precision Instrument Early 20th Century Unknown Unknown Brass, paint, bronze, assorted metals. 32039
View Record Generator Propellor 20th Century Marconi's Wireless Telegraph Co. Ltd. Unknown Laminated mahogany, brass. 32068
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 32090
View Record Multiple Oscillator c. 1898 Unknown England Brass, ebonite, mahogany. 32103
View Record Variable Pitch Generator Windmill Early 20th Century Unknown Unknown Metal alloy, iron. 32380
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 32845
View Record Catalogue For Aircraft Wireless Receiver c. 1921 Marconi's Wireless Telegraph Co. Ltd. England Paper 32919
View Record Marconi Radio Valve Type Q c. 1916 Ediswan. London Glass, steel, assorted metals. 33191
View Record Marconiphone Personal Receiver Type P17B c. 1950 Marconiphone Co. Ltd. England Plastic, chromium, nickel, glass?, leather. 33654
View Record Company Seal Embosser Clare-Elliot Ltd 20th Century Unknown Britain Steel, wood, brass, baize. 33725
View Record Medal International Marconi Conference Dated 1951 Coffredo Edginelli? Italy Aluminium 34099
View Record Marconiphone Dealer's Sign Late 1920s Marconi Company. England Cast alloy, paint. 34130
View Record Brimar Radio Valve Type 50CD6G With Carton Mid 20th Century Brimar Ltd. England Glass, steel, plastic?, assorted metals. 34364
View Record Exhibition Medal Exposition of Decorative and Modern Art Dated 1902 Unknown Italy Gilt metal 34377
View Record Philips Radio Valve Type QQE02 With Separate Carton Late 20th Century Philips. Holland Glass, steel, assorted metals. 34480
View Record Telegraph Relay Early 20th Century H.W. Sullivan. London Mahogany, baize, glass, brass, iron?, assorted metals. 34506
View Record Album of Direction Finder c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Paper. 34635
View Record Early Coherer c. 1899 Unknown Chelmsford, England Glass, copper, nickel, silver, assorted metals. 34674
View Record Tuning Condenser c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass, bakelite. 34701
View Record Marconi Studio Photographic Portrait 20th Century Unknown Unknown Cardboard, photographic paper. 34711
View Record 'Marconi' Auto-Alarm Buzzer Type 225 c. 1920 Marconi's Wireless Telegraph Co. Ltd. England Metal, ebonite?, aluminium, steel. 34759
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 35098
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 35122
View Record Medal John Fritz Dated 1922 V. D. Brenner. Unknown Bronze 35206
View Record Bell Telephone Microphone c. 1923 Unknown England Brass, ebonite, nickel. 35219
View Record Marconi Valve Type V24 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 35245
View Record Purchase Receipt For Marconi Radio Type T36 AB Dated 1954 E.M.I. Sales & Service Ltd. London Paper, plastic. 35311
View Record Silver Table Lighter With Case Dated 1912 Alfred Foster. London Silver, bakelite?, marble, velvet, silk, leather. 35386
View Record Ship's Direction Finder 1920s Unknown Unknown Glass, plastic, bakelite, teak?, copper, assorted metals. 35780
View Record Marconiphone Receiver Model 235 c. 1935 Marconiphone Co. Ltd. England Leathercloth, chromium, simulated mother-of pearl 35936
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 35970
View Record Standard Resistor Type 1682 20th Century H. Tinsley & Co. London Chromium, plastic?, enamelled metal. 35998
View Record Multiple Tuner 1907 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, ebonite, brass, copper, bakelite. 36479
View Record American-Type Radio Tube 20th Century Unknown USA Glass, brass, bakelite?, assorted metals. 36535
View Record Radio Valve ARP12-Type Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 36764
View Record Ladies' Silver Pocket Scent Bottle Hallmarked 1911 Charles Perry & Co. of Birmingham. Birmingham Silver. 37413
View Record Commemarative Plate c. 1903 W. Adams & Co. England Pottery 37493
View Record 'Marconi' Wavemeter Type MC1 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, mahogany?, ebonite, bakelite, nickel, copper. 37590
View Record Raytheon Radio Tube Type 6H6G With Carton Dated 1934 Raytheon. Massachusetts, USA Glass, steel, plastic?, assorted metals. 37614
View Record Bellini-Tosi Radiogoniometer c. 1907 Bellini & Tosi. France Oak, brass, ebonite, metal. 37692
View Record Empty Case Of Forward Spark 'B' Wavemeter c. 1918 War Department Signals Flying Corps. Britain Teak 37889
View Record Instruction Manual For Aircraft Wireless Telephone Type AD2 c. 1920 Sanders Phillips & Co. Ltd. London Paper 38181
View Record Two Mica Crystals 20th Century Unknown Unknown Mica, mahogany, baize. 38233
View Record Mazda Radio Valve Type CV6 With Carton 20th Century Mazda Company. Unknown Glass, plastic?, steel, assorted metals. 38616
View Record 'Marconi' Crystal Wavemeter Type MC2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Nickel, steel, glass, ebonite, bakelite, teak, copper, paper. 38737
View Record Raytheon Radio Tube Type 6J7G Mid 20th Century Raytheon. USA Glass, steel, plastic?, assorted metals. 39208
View Record Round Radio Valve Type N c. 1915 Ediswan. London Glass, steel, asbestos, platinum-iridium, assorted metals. 39244
View Record Amplifier Type 91 c. 1918 Marconi's Wireless Telegraph Co. Ltd. London Teak, nickel, glass, steel? bakelite. 39440
View Record Main Starter Switch Early 20th Century Unknown Unknown Iron, brass, copper, celluloid?, bakelite?, wood. 39443
View Record Image Orthicon Tube Mid 20th Century English Electric Valve Co. Ltd. England Glass, bakelite?, steel, nickel, assorted metals. 39508
View Record Instruction Manuals For Marconi Crystal Receiver Type 16 c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Paper. 39535
View Record Marconi Radio Thermal Delay Switch DLS-Type Early 20th Century Ediswan. London Glass, steel, bakelite?, assorted metals. 39568
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 39800
View Record Company Seal Embosser GEC Medical Equipment Ltd 20th Century Unknown Britain Steel, wood, brass, baize. 39997
View Record Rotating Multiple Stamp Holder 20th Century E.M.R. London Steel 40066
View Record Marconi Receiver Type 226B c. 1920 Marconi International Marine Communication Co. Ltd. England Teak, chromium, plastic?, ebonite. 40124
View Record Lamps For Large Switchboard Type 95 1920s Unknown England Glass, brass, assorted metals. 40261
View Record Signal Receiver Type 57A Dated 1959 Marconi Instruments Ltd. England Steel, plastic, bakelite, glass, assorted metals. 40275
View Record Replica Of Parabolic Receiver For Marconi's Original Beam System 1920s/1930s Marconi's Wireless Telegraph Co. Ltd. London Wood, glass, copper, ebonite, assorted metals. 40344
View Record Mullard Television Valve Type PL504 With Carton 20th Century Mullard. Britain Glass, steel, assorted metals. 40357
View Record Mullard Wecovalve Radio Valve Peanut Type c. 1920 Mullard Radio Valve Co. Ltd. England Glass, steel, plastic?, assorted metals. 40365
View Record Exhibition Medal Exposition Universelle Et Internationale Dated 1935 Bonnetain. Brussels Gilt metal 40508
View Record Three-Position Switch Early 20th Century Griffin. London Mahogany, brass, ebonite, celluloid. 40839
View Record Brimar Radio Valve Type 50CD6G Mid 20th Century Brimar. England Glass, steel, plastic?, assorted metals. 41092
View Record 'Marconi' Auto-Alarm Receiver Type 332 c.1920 Marconi's Wireless Telegraph Co. Ltd. London Teak, glass, nickel, celluloid?, bakelite?, ebonite. 41271
View Record Medal Enrico Silvani Dated 1927 G. Romagnoli. Unknown Bronze 41328
View Record Marconi Long Wave Panel Type 229B c. 1920 Marconi International Marine Communication Co. Ltd. England Teak, chromium, bakelite?, ebonite. 41345
View Record Radio Valve Type 6N7G Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 41408
View Record Tuning Condenser c. 1907 Unknown Italy Brass, steel?, ebonite. 41634
View Record Fleming Valve c. 1905 Ediswan. London Copper, glass, brass, assorted metals. 41677
View Record Precision Measuring Instrument With Case Early 20th Century Cambridge Scientific Co. Ltd. Cambridge, England Ebonite, brass, baize, mahogany. 41846
View Record Seven-Valve Receiver 1920 Marconi Scientific Instrument Co. Ltd. London Teak, ebonite, bakelite?, steel. 41936
View Record Ken-Rad Radio Tube Type 12SC7 With Carton Mid 20th Century Ken-Rad Tube & Lamp Corporation. Owensboro, Kentucky, USA Plastic?, steel, assorted metals. 42016
View Record Morse Key Type 971 20th Century Marconi Company Britain Enamel, ebonite, plastic, steel. 42110
View Record Medal Roerich Museum Dated 1929 Henry Dropsy. USA Bronze 42576
View Record Radio-Special Micro Radio Valve Type E6 20th Century Unknown Unknown Glass, bakelite?, steel, assorted metals. 42700
View Record Discharger Early 20th Century Unknown Unknown Steel, brass, cast iron. 42997
View Record Small Multiple Discharger Early 20th Century Unknown Unknown Brass, ebonite. 43387
View Record Tapped Inductance Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, copper, ebonite. 43561
View Record Ebonite Partition Insulator Early 20th Century Unknown Unknown Ebonite, copper?, brass. 43603
View Record Franklin Master Oscillator c. 1930 Marconi's Wireless Telegraph Co. Ltd. England Steel, ebonite, bakelite, mahogany?, copper. 43735
View Record Marconi-Osram Radio Valve Type DER c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, nickel, plastic?, brass?, assorted metals. 43964
View Record Tuning Condenser Early 20th Century Unknown Unknown Brass, ebonite, assorted metals. 44153
View Record Variometer And Sliding Capacitor Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, copper, ebonite, nickel, steel. 44318
View Record Radio Valve Type ARP12 c. 1939 Unknown England Glass, plastic?, steel, assorted metals. 44487
View Record Replica Morse Key Late 20th Century Unknown Unknown Teak, plastic?, brass. 44566
View Record Short Wave Tuner & Amplifier No. 17 c. 1915 Robert W. Paul. London Mahogany, ebonite, bakelite?, brass. 44893
View Record 'Megger' Resistance Meter Early 20th Century Evershead & Vignoles Ltd. London Teak, glass, steel?, brass, bakelite, assorted metals. 45250
View Record Instruction Manual For Communications Receiver Model 910/1 Mid 20th Century Stratton & Co. Ltd. Birmingham Paper 45899
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 45902
View Record 'Marconi' Crystal Wavemeter Type MC2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Nickel, steel, glass, ebonite, bakelite, teak. 46042
View Record Marconi Bronze Bust Dated 1920 Claire Sheridan. England Bronze, marble. 46043
View Record Telephone Relay Early 20th Century Unknown Britain Mahogany, brass, nickel. 46067
View Record Company Seal Embosser Eastnor Electric Company Ltd 20th Century Unknown Britain Steel, nickel, cooper, baize 46281
View Record 'Marconi' 1˝KW Quenched Spark Gap Transmitter Type QG c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, steel, iron, nickel, porcelain, copper, assorted metals. 46329
View Record Marconi Radio Valve Type MT1 Early 20th Century Marconi-Osram Valve Co. Ltd. London Glass, nickel, assorted metals. 46376
View Record Marconi Radio Valve Type DEHL210 20th Century Marconi-Osram Valves. England Glass, steel, bakelite?, assorted metals. 46377
View Record Tilting Board c. 1899 Guglielmo Marconi. England Iron?, wood. 46382
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 Assorted Radio Valves 20th Century Unknown Unknown Glass, steel, brass, assorted metals. 46605
View Record Short Distance Wireless Telephone Set Type TT2 c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Teak, ebonite, bakelite, glass, brass, assorted metals. 46879
View Record Marconi Kryha Cipher Machine c. 1922 Marconiphone Co. Ltd. England Steel?, assorted metals, glass, nickel. 46995
View Record Marconi Aerial Tuning Inductance Coil 1910 Marconi's Wireless Telegraph Co. Ltd. England Copper, nickel, teak?, brass. 47154
View Record National Union Radio Tube Type 50L6GT With Carton c. 1941 National Union. New Jersey, USA Glass, plastic?, steel, assorted metals. 47236
View Record Mobile Television Camera Type BD624C With Electronic Viewfinder Type BD625F Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. London Steel, bakelite, assorted metals. 47261
View Record Marconi Radio Valve Type QX c. 1921 Marconi-Osram Valves. London Glass, steel, assorted metals. 47321
View Record Morse Key Type 100A Early 20th Century Marconi International Marine Communication Co. Ltd. Britain Nickel, mahogany, ebonite, steel. 47410
View Record Lord Kelvin's Multicellular Voltmeter 1920s Kelvin Bottomley & Baird Ltd. Britain Teak, glass, steel, bakelite, ebonite, brass, iron. 47607
View Record Ebonite Partition Insulator Early 20th Century Unknown Unknown Brass, ebonite. 47690
View Record 'Marconi' Amplifier Type GA2 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, leather, steel, assorted metals. 47978
View Record RCA Radiotron Radio Tube Type 6C6 With Carton 20th Century RCA. USA Glass, steel, plastic?, assorted metals. 48010
View Record Walnut Side Table c. 1930 Unknown Unknown Walnut, brass. 48312
View Record Tuning Condenser With Capacitor Box c. 1916 Marconi's Wireless Telegraph Co. Ltd. England Teak, wood, ebonite, bakelite, celluloid, nickel, plywood. 48535
View Record Radio Valve Type P2 20th Century Unknown Unknown Glass, bakelite?, steel, assorted metals. 48561
View Record Large Tuning Condenser c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Brass, glass, ebonite, teak, assorted metals. 48642
View Record Marconi Radio Valve Type MT1 c. 1919 Marconi-Osram Valve Co. Ltd. London Glass, nickel, assorted metals. 48681
View Record Radio Valve Type 5Z4G Mid 20th Century Unknown Britain Glass, steel, plastic?, assorted metals. 48685
View Record Radio Valve Type 6V6G Mid 20th Century Mullard. England Glass, plastic?, steel, assorted metals. 48716
View Record Marconi-Osram Radio Valve Type DER c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, steel, plastic?, brass?, assorted metals. 48922
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton 20th Century RCA. New Jersey, USA Glass, plastic?, steel, assorted metals. 49234
View Record Send/Receive Switch Type 103A Early 20th Century Marconi International Marine Communication Co. Ltd. London Teak, brass, steel, nickel. 49244
View Record 'Marconi' Wavemeter Type MP7 Early 20th Century Marconi 's Wireless Telegraph Co. Ltd. London Carborundum, paper, wood, plastic, ebonite, steel 49422
View Record Frame Aerial For Marconiphone Receiver Type 61 c. 1928 Marconiphone Co. Ltd. England Mahogany, steel, copper, bakelite. 49429
View Record Marconi Radio Valve Type S625 c. 1928 Marconi-Osram Valve Co. Ltd. England Glass, plastic?, steel, assorted metals. 49486
View Record Large Wave-Shortening Condenser With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahongany, jute?, ebonite, steel, brass. 49571
View Record Large Marine Charging Switchboard Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Ebonite?, metal alloy, glass, brass, assorted metals. 49739
View Record Marconi Radio Valve Type V24 c. 1919 Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 49744
View Record Marconi Wavemeter Type MC1 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Brass, bakelite, glass, metal?, plastic. 49948
View Record Marconi-Type Radio Valve 1920s/1930s Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 50000
View Record Marconiphone Type V2A c. 1923 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, celluloid, ebonite, bakelite, nickel, steel, glass, assorted metals. 50144
View Record Portrait of Marconi 20th Century S. Tushingham London Watercolour, paper, glass, wood, brass. 50421
View Record Wireless Telegraphy Notice Mid 20th Century Unknown Britain Mahogany, glass, paper. 50523
View Record Pillbox With Spare Coherer Parts c. 1902 Unknown Unknown Assorted metals, crystal, cardboard, cotton wool. 50538
View Record Instruction Booklet For Aircraft Wireless Telephone Transmitter Type AD1 c. 1921 Sanders, Phillips & Co. Ltd. London Paper. 50711
View Record Siemens & Halske Experimental Radio Valve c. 1917 Siemens & Halske. Germany Glass, bakelite?, steel, assorted metals. 50748
View Record Generator Propellor Early 20th Century Unknown Unknown Steel, mahogany. 51047
View Record Small Buzzer Key With Base Early 20th Century Unknown Unknown Mahogany, brass, copper, plastic. 51297
View Record Assorted Early Coherer-Related Letters Early 20th Century Unknown Unknown Paper 51910
View Record 'Marconi' Wavemeter Type No 2 c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Teak, glass, steel, ebonite, leather, assorted metals. 52068
View Record Large Main Morse Key Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany, brass, metal alloy, ebonite. 53026
View Record Triangular Base Early 20th Century Unknown Unknown Brass, iron, baize. 53033
View Record Two-Way Morse Key 1900s Siemens Bros. & Co. London Brass, ebonite, steel 53048
View Record Early Coherer c. 1902 Unknown Unknown Glass, copper?, assorted metals. 53061
View Record Interrupter Type 144 Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Cast iron, nickel, teak. 53329
View Record Radio Valve Type VU120A Mid 20th Century Unknown Unknown Glass, plastic?, steel, assorted metals. 53371
View Record Quenched Spark Disc Unit 20th Century Unknown Unknown Iron, nickel, ebonite, assorted metals. 53392
View Record Marconi's Parabolic Transmitter c. 1896 Guglielmo Marconi. England Wood, copper, ebonite, steel?, brass. 53586
View Record Precision Measuring Instrument With Case Mid 20th Century Cambridge Scientific Co. Ltd. Cambridge, England Ebonite, brass, baize, mahogany. 53614
View Record Exhibition Medal Esposizione Internazionale Dated 1956 Giannino. Italy Gilt metal. 53696
View Record 'Marconi' Direction Finder Type 11F c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Teak, ebonite, glass, nickel, plastic?, assorted metals. 54065
View Record Large Iolanda Switchboard Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Ebonite, glass, copper, plastic?, steel?, brass, unidentified material. 54296
View Record Switch And Lamp Type 94 Early 20th Century Unknown Unknown Teak?, brass, glass, porcelain?, metal. 54481
View Record 'Melba' Telephone Microphone No C100L Dated 1920 Marconi Company. England Mahogany, brass, ebonite, cloth, nickel. 54651
View Record Terminal Early 20th Century Unknown Unknown Ebonite, brass?, steel. 54685
View Record Magneto-Electric Machine Late 19th Century Unknown Unknown Boxwood?, steel?, brass, velvet. 54945
View Record Marconi Newton Constant-Speed Windmill 20Y Mark III c. 1926 Unknown Unknown Aluminium. 54960
View Record Myers Dry Battery Radio Tube With Carton c. 1924 E. B. Myers Co. Ltd. Canada Glass, bakelite, steel, assorted metals. 55098
View Record Walnut Armchair c. 1930 Unknown Unknown Walnut, leather. 55254
View Record Cylindrical Reflecting Vertical Galvanometer c. 1925 H. Tinsley & Co. London Brass, glass, copper, bakelite. 55299
View Record Company Seal Embosser Oriental Tube Company 20th Century Unknown Britain Steel, iron. 55328
View Record Early Coherer No 217 c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 55585
View Record Civilian Gentleman's Ceremonial Sword c. 1902 J. B. Johnstone. London Steel, leather. 55702
View Record Ohmmeter Early 1920s Cambridge & Paul Instrument Co. Ltd. England Teak, brass, copper, nickel, ebonite, bakelite. 56269
View Record Republic Radio Tube Type 6F5G With Carton 20th Century Republic Radio Manfacturing Corporation. New Jersey, USA Plastic?, glass, steel, assorted metals 56270

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