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Heading Date Maker Place Materials Inv Num
View Record Side-Lever Morse Key c. 1910 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, ebonite, brass, bakelite. 12506
View Record Induction Coil c. 1906 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, wax, brass, ivory?, ebonite, celluloid. 12640
View Record Medal Institute Of Radio Engineers c. 1922 Sanford. Unknown Gold. 12658
View Record Forward Spark 'B' Wavemeter No. 1511 c. 1918 War Department Signals Flying Corps. Britain Steel, brass, bakelite?, teak, carborundum. 12772
View Record Large Switchboard Type 95 Early 20th Century Marconi International Marine Communication Co. Ltd. England Wood, iron, glass, nickel, assorted metals. 12779
View Record Rare Portable Lifeboat Transmitter Receiver c. 1905 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, bakelite, ebonite, metal. 12924
View Record Aircraft Wireless Telephone Type AD2 c. 1920 Marconi's Wireless Telegraph Co. Ltd. England Linen, ebonite, glass, wood, plastic?, assorted metals. 12938
View Record Assorted Components For T1154 And R1155A In Wooden Chest 1940s Unknown England Wood, steel, glass, canvas, assorted metals. 13044
View Record Four-Second Alarm Type KM1 20th Century Marconi's Wireless Telegraph Co. Ltd. London Iron, metal, nickel, glass. 13115
View Record Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, platinum, asbestos, brass, ebonite. 13117
View Record Balloon Envelope Radio Valve Early 20th Century Unknown Unknown Glass, steel, bakelite?, assorted metals. 13172
View Record Telephone Relay Type G c. 1908 S.G. Brown. London Mahogany, steel?, brass. 13183
View Record Bradfield Leading-In Insulator No.1 1910 Marconi's Wireless Telegraph Co. Ltd. England Iron, ebonite. 13694
View Record Cover For Multiple Tuner c. 1907 Marconi's Wireless Telegraph Co. Ltd. England Mahogany, brass, glass, paper. 13774
View Record Telefunken Radio Valve Type LD15 c. 1945 Telefunken. Germany Steel, glass, assorted metals. 14100
View Record 'Marconi' Auto-Alarm Bell Type 117 c. 1920 Marconi International Marine Communication Co. Ltd. England Brass, aluminium, wood, teak. 14147
View Record Framed Marconi Order Slip Dated 1922 Marconi's Wireless Telegraph Co. Ltd. London Glass, wood, paper. 14183
View Record Brimar Radio Valve Type 6SN7GT Mid 20th Century Brimar. England Glass, steel, plastic?, assorted metals. 14188
View Record 75th Anniversary Commemorative Plate 1978 Ceragraphics Panorama Studios. Devon, England China, paint, gold. 14457
View Record Large Main Jigger With Case Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany?, ebonite, wood, brass. 14809
View Record Hirst Bronze Bust Dated 1936 S.H. Paulon. Unknown Bronze, marble. 14884
View Record Medal Portugese Marconi Company Dated 1951 Joao da Silva. Portugal Bronze 14889
View Record Bellini-Tosi Direction Finder 1907 E. Bellini & A. Tosi. France Walnut, brass, steel?, iron, bakelite, ebonite. 14937
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 20th Century RCA. USA Glass, plastic?, steel, assorted metals. 15130
View Record 75th Anniversary Commemorative Mug 1978 Ceragraphics Panorama Studios. Devon, England China, paint, gold. 15211
View Record RCA Radiotron Radio Tube Type VR54 20th Century RCA. USA Plastic?, steel, assorted metals. 15408
View Record Radio Valve Type ATP4 Mid 20th Century Unknown England Glass, plastic?, steel, assorted metals. 15492
View Record 'Cow's Tail' Insulator Early 20th Century Unknown Unknown Brass, wood, cable. 15574
View Record Marconi Radio Valve Type DER c. 1925 Marconi-Osram Valves. London Glass, bakelite, steel, assorted metals. 15591
View Record Marconi Radio Valve Type DEV c. 1923 Marconi Valves. England Glass, steel, assorted metals. 15771
View Record Marconiphone Two-Valve Receiver Type V2 1923 Marconi's Wireless Telegraph Co. Ltd. London Mahogany, glass, nickel, bakelite, ebonite, celluloid, steel. 15836
View Record Record 1920s Columbia Records. London Plastic, paper. 16050
View Record Brownie Crystal Receiver No 2 c. 1925 Brownie Wireless Co. Ltd. Britain Ebonite, glass, assorted metals, copper. 16661
View Record Marconi Radio Valve Type DE3 c. 1923 Marconi-Osram Valves. London Glass, steel, plastic?, brass?, assorted metals. 16810
View Record S. E. Marchesi Marconi 1931 Sir Max Beerbohm London Paper, watercolour, plastic, metal, nylon? 16862
View Record Drysdale-Tinsley Vibration Galvanometer 20th Century H. Tinsley & Co. London Brass, iron, glass, bakelite?, mahogany, plastic. 17033
View Record RCA Radiotron Radio Tube Type 6D6 With Carton 20th Century RCA. New Jersey, USA Plastic?, steel, glass, assorted metals. 17167
View Record Combined Switchboard Type 277 And Fuseboard Type 279 Early 20th Century Marconi International Marine Communication Co. Ltd. England Steel, metal, glass, nickel, bakelite 17193
View Record Aerial Lead-In Insulator Early 20th Century Unknown Unknown Earthenware, copper, iron. 17338
View Record Early Coherer c. 1899 Unknown Unknown Glass, copper, nickel, silver, assorted metals. 17473
View Record Bank Of Six Leyden Jar Condensers 1900 Unknown Unknown Glass, brass, mahogany, felt. 17579
View Record Decade Condenser Type 21F Early 20th Century Muirhead & Co. Ltd. Britain Teak, bakelite, plastic?, steel. 17600
View Record Induction Coil 1900s Marconi's Wireless Telegraph Co. Ltd. London Mahogany, brass, ebonite, ivory?, copper. 17841
View Record Amplifier And Detector Type 55A With Headphones c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Glass, teak, steel, brass. 18067
View Record RCA Radiotron Cunningham Radio Tube Type 5Z3 With Carton 20th Century RCA. New Jersey, USA Glass, ribbon, steel, plastic?, assorted metals. 18078
View Record Tuning Condenser c. 1915 Marconi's Wireless Telegraph Co. Ltd. England Teak, ebonite, celluloid, brass. 18093
View Record Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, steel, ebonite, nickel. 18119
View Record Transmitter Tuner Type MC13 c. 1930 Unknown Unknown Steel, nickel, plastic, assorted metals. 18269
View Record Magnetic Detector Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Mahogany, glass, brass, ebonite, bakelite, iron. 18289
View Record Facsimile Of Fleming Letter c. 1904 J.A. Fleming. London Paper. 18292
View Record Metal Component Pair FT-162 For Radio 20th Century Unknown Unknown Iron?, steel, nickel. 18465
View Record Mullard Radio Valve Type ORA/B c. 1922 Mullard Radio Valve Co. Unknown Glass, rubber?, assorted metals. 18833
View Record Marconiphone Two-Valve Receiver Type 21 1925 Marconiphone Co. Ltd. London Bakelite?, ebonite, glass, brass, mahogany, plastic? 18847
View Record Direct Reading Portable Decremeter Dated 1909 Marconi's Wireless Telegraph Co. Ltd. England Teak, brass, ebonite, bakelite, leather. 19011
View Record Mullard Wecovalve Radio Valve Peanut Type c. 1920 Mullard Radio Valve Co. Ltd. England Glass, steel, plastic?, assorted metals 19239
View Record Quenched Spark Disc Unit 20th Century Unknown Unknown Iron, nickel, ebonite, assorted metals. 19420
View Record Early Experimental Coherer c. 1902 Unknown Unknown Glass, copper, cork, iron, assorted metals. 19433
View Record Ferranti Radio Valve Type NSP1 Mid 20th Century Ferranti. Britain Glass, steel, bakelite, assorted metals. 19461
View Record Triotron Radio Tube Type 6F8G With Carton 20th Century Triotron Radio. Austria Plastic?, glass, steel, assorted metals. 19616
View Record Portable Aircraft Spark Transmitter 40W c. 1912 Marconi's Wireless Telegraphy Co. Ltd. London Teak, leather, ebonite, steel, bakelite?, brass. 19772
View Record Marconi Radio Valve Type 42A 20th Century Officine Marconi-Genova. Italy Glass, steel, plastic?, assorted metals. 19824
View Record Radio Call Sign Early 20th Century Unknown Unknown Mahogany, paint. 20091
View Record Marconi Radio Valve Type MH4 c. 1931 Marconi's Wireless Telegraph Co. Ltd. England Cooper, steel, plastic?, assorted metals. 20104
View Record Myers Dry Battery Radio Tube With Carton c. 1924 E. B. Myers Co. Ltd. Canada Glass, bakelite, steel, assorted metals. 20141
View Record Company Seal Embosser Vulcan Foundry Ltd 20th Century Unknown Britain Bronze?, iron?, steel. 20262
View Record Emergency Quenched-Gap Transmitter Type 335 c. 1920 Marconi's Wireless Telegraph Co. Ltd. England Teak, iron, copper, ebonite, nickel, glass, steel, assorted metals. 20374
View Record Marconi Radio Valve Type DEQ c. 1923 Marconi-Osram Valves. England Glass, steel, assorted metals. 20655
View Record Company Seal Embosser Fan Manufacturing Company 20th Century Witherby & Co. Ltd. London Steel, baize. 20679
View Record Tuning Condenser No 4 c. 1906 Marconi's Wireless Telegraph Co. Ltd. England Ebonite, brass, paper. 20696
View Record Marconi Radio Valve Type DE3C c. 1924 Marconi-Osram Valves. London Glass, bakelite, steel, tungsten, assorted metals. 20731
View Record Marconi Bellini-Tosi Direction Finder c. 1916 Marconi's Wireless Telegraph Co. Ltd. London Teak, brass, bakelite, ebonite, steel?, copper. 20815
View Record Morse Tape Inker c. 1900 Siemens Brothers. London Brass, mahogany, paper, assorted metals. 20877
View Record RCA Radiotron Cunningham Radio Tube Type 6B7 With Carton 20th Century RCA. New Jersey, USA Glass, plastic?, steel, assorted metals. 20953
View Record Marconi's Oil Righi Oscillator 1895 Augusto Righi. Bologna, Italy Mahogany, brass, ebonite, celluloid. 21300
View Record Marconi Crystal Receiver Type 31C 1910 Marconi's Wireless Telegraph Co. Ltd. London Ebonite, nickel, mahogany?, bakelite. 21573
View Record Syntoniser Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London Ebonite?, iron?, teak. 21593
View Record Replica Righi Oscillator Late 20th Century Unknown Unknown Brass, ebonite?, plastic?, mahogany. 21726
View Record 4 Volt Fleming Oscillation Valve c. 1905 Royal Ediswan. London Brass, glass, assorted metals. 21763
View Record Fleming Valve c. 1905 Ediswan. London Glass, assorted metals, brass. 21803
View Record Mullard Radio Valve Type PM4 1930s Mullard. England Glass, steel, bakelite, assorted metals. 21856
View Record 'Marconi' Self-Monitoring Receiver Type AD98 Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, plastic?, perspex, assorted metals. 22068
View Record Company Seal Embosser Dick Kerr & Company 20th Century Jordan & Sons Ltd. London Cooper, brass, steel, wood, baize. 22130
View Record Forward 'B' Spark Wavemeter No. 1339 c. 1918 War Department Signals Flying Corps. Britain Steel, brass, bakelite?, teak, carborundum. 22136
View Record RCA Radiotron Radio Tube Type 6C6 With Carton 20th Century RCA. USA Glass, steel, plastic?, assorted metals. 22269
View Record Round Radio Valve Type N c. 1915 Ediswan. London Glass, steel, asbestos, platinum-iridium, assorted metals. 22293
View Record Ediswan Radio Valve Type ATP4 With Carton Mid 20th Century Siemens Edison Swan Ltd. London Glass, steel, plastic?, assorted metals. 22414
View Record 'Marconi' Auto-Alarm Selector Type 333 c. 1920 Marconi's Wireless Telegraph Co. Ltd. London Metal, brass, steel?, aluminium, glass. 22770
View Record RCA Radiotron Cunningham Radio Tube Type 5Z3 With Carton 20th Century RCA. New Jersey, USA Glass, ribbon, steel, plastic?, assorted metals. 22875
View Record Marconi-Osram Radio Valve Type R c. 1923 Marconi-Osram Valve Co. Ltd. London Glass, phosphorous, nickel?, plastic?, steel, assorted metals 22908
View Record Marconi Commemorative Plaque Dated 1912 Unknown Italy Brass 23050
View Record Radio Valve Type ARP12 c. 1939 Unknown England Glass, plastic?, steel, assorted metals. 23157
View Record Two Ribbed Wooden Pillar Insulators Early 20th Century Unknown Unknown Wood, brass. 23387
View Record Instruction Manual For The Marconi Direction Finder Type No. 6 c. 1916 Sanders Phillips & Co. Ltd. London Paper. 23434
View Record Marconi Induction Coil 1899 Marconi Company. London Ebonite, platinum, brass, plastic?, ebonite. 23658
View Record Set Of Inductors Type TM1438 20th Century Marconi Instruments Ltd. England Wood, leather, steel, bakelite 23891
View Record Marconi Auto-Alarm Type M Mid 20th Century Marconi's Wireless Telegraph Co. Ltd. England Steel, bakelite, glass, assorted metals. 24207
View Record Experimental Billi Condenser c. 1900 Unknown Unknown Copper?, steel?, ebonite, brass, mahogany, plywood, bakelite, celluloid. 24292
View Record Morse Key Type 100A Early 20th Century Marconi International Marine Communication Co. Ltd. Britain Nickel, mahogany, ebonite, steel. 24429
View Record Pair Of Mounted Guard Lamps Early 20th Century Unknown Unknown Mahogany?, glass, copper, brass. 24488
View Record Experimental Round Radio Valve Type CA c. 1915 Ediswan. London Glass, oxide, brass?, platinum. 24865
View Record Tuning Indicator With Glass Lamp Early 20th Century Marconi's Wireless Telegraph Co. Ltd. London, England Mahogany, brass, metal alloy, glass, ebonite. 24927
View Record Bank Of Six Leyden Jar Condensers 1900 Unknown Unknown Glass, brass, mahogany, teak?, felt. 24931
View Record Marconi Radio Valve Type MH4 1930s Marconi-Osram Valves. London Glass, plastic?, nickel, steel, assorted metals. 24996
View Record Shunt Regulator 20th Century Unknown Unknown Iron, bakelite?, brass. 25048
View Record Hytron Radio Tube Type CV1759 With Carton Dated 1944 Hytron Corporation. Massachusetts, USA Steel, plastic?, glass, assorted metals. 25098
View Record Company Seal Embosser Coastal Radio Ltd 20th Century Unknown Unknown Steel, wood, cooper, baize 25157
View Record Marconi Radio Valve Type V24 c. 1919 Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 25217
View Record Cold Cathode Ray Tube c. 1902 Unknown Unknown Glass, mahogany, copper, metal. 25358
View Record Marconi Radio Valve Type V24 c. 1925 Marconi Valves. England Glass, steel, assorted metals. 25470
View Record Marconi Radio Valve Type V24 c. 1918 Marconi's Wireless Telegraph Co. Ltd. England Glass, steel, assorted metals. 25691
View Record Ship's Wireless Spark-Gap 1905 Marconi's Wireless Telegraph Co. Ltd. London Brass, cast iron, teak, metal. 25812
View Record Cossor Radio Valve Type V10 20th Century Cossor. England Glass, steel, plastic?, oxide, assorted metals. 26034
View Record Marconi Radio Valve Type DEQ c. 1923 Marconi Valves. England Glass, steel, assorted valves. 26547
View Record GPO Radio Valve Type No 2 20th Century Unknown Britain Glass, brass, plastic?, nickel. 26614
View Record Aerial Lead-In Insulator Early 20th Century Unknown Unknown Earthenware, copper, iron. 26677
View Record Mazda Radio Valve Type PY33 With Carton 1960s Mazda England Glass, steel, plastic?, assorted metals. 26731
View Record Marzi Microphone 1910 Marzi Company. France Wood, aluminium, steel. 27140
View Record Marconi Radio Valve Type Q c. 1918 Ediswan. London Glass, steel, assorted metals. 27357
View Record Mullard Wecovalve Radio Valve Peanut Type With Carton c. 1920 Mullard Radio Valve Co. Ltd. England Glass, steel, plastic?, assorted metals. 27364
View Record Aerial Switch Type 272 Early 20th Century Marconi International Marine Communication Co. Ltd. England Wood, peak, steel, nickel, porcelain, ebonite. 27556
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

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