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Four Resistance Boxes assorted manufacturers including Muirhead & Co, Doran Instrument Co, Gambrell & W.G Pye (4)
Doran Thermocouple Potentiometer No. 1369
Record 'Minor' Insulation Tester in leather case, with markings indicating former military use
Record 'Minor' Insulation Tester in leather case, with markings indicating former military use
Harling Drawing Instruments for drawing large diameter curves, cased
Pelorus used to determine compass errors on a ship
Sullivan Projection Galvanometer
Sullivan Projection Galvanometer
Three Electrical Components H.W.S Ltd Condenser Variable Type F, Cambridge & Paul 1 Ohm Resistor,
Three Electrical Components H.W.S Ltd Condenser Variable Type F, Cambridge & Paul 1 Ohm Resistor, Muirhead Inductance Type A-517-C (3)
Cambridge Instruments Thermal Milliammeter multi-range high frequency milliammeter No. L-15472 in
Cambridge Instruments Thermal Milliammeter multi-range high frequency milliammeter No. L-15472 in fitted case with leather handle, range 0 to 1000...
Tinsley & Co Slideware type 4264
Tinsley & Co Slideware type 4264
Cambridge Workshop Potentiometer Cat. nos 44223 and 44226, in wooden case with instructions
Philip Harris Rotating Disc for flux density measurement
Cambridge Portable Potentiometer No. L-336161 in bespoke wooden case with leather handle
Cambridge Instrument Co. Unipivot Galvanometer, cased + two others (3) in bespoke case, No. L-37747;
Cambridge Instrument Co. Unipivot Galvanometer, cased + two others (3) in bespoke case, No. L-37747; together with another Unipivot versatile galv...
Crookes Cathold Ray Tube 12 inches, demonstrating the magnetic deflection of a beam. Combined with
Crookes Cathold Ray Tube 12 inches, demonstrating the magnetic deflection of a beam. Combined with the Crookes Mineral Tube of the same collectio...
Crookes Mineral Tube 15 inches, with three fluorescing mineral crystals
Early Edison & Swann Galvanometer dated 1918, No. 25306 with leather case and straps
WWI Forward Wavemeter Type B, used to tune spark transmitters in WWI
Muirhead & Co Admiralty Patt Cell Tester No. 122133
Rare French 1930's 'Volta' Electrical Measuring Instrument wattmetre étalon électrodynamique, Sme.
Rare French 1930's 'Volta' Electrical Measuring Instrument wattmetre étalon électrodynamique, Sme. Meylan D'Arsonval, Montrouge-Seine
Elliott Brothers Portable Standard Ammeter moving iron type, No. A68503
Assorted Avo Electrical Testing Instruments (5)
Weston AC & DC Ammeter model 370, No. 3336, standardised 1928 - National Physical Laboratory
Weston AC & DC Ammeter model 370, No. 3336, standardised 1928 - National Physical Laboratory instrument
Siemens & Halske Insulation Meter No. 2123446
Reslosound Ltd Ribbon Microphone with matching transformer, together with a set of Pioneer headphones (2)
Lucas ATH6 Tachometer three-range, Lucas Industrial Measurement
Taylor All-Wave Signal Generator model 65B
Quantity Of Assorted Pifco Meters & Instruments
Military All-Wave Signal Generator
Economic Electric Co Twickenham Induction Coil can be used to activate Crookes Mineral Tube and
Economic Electric Co Twickenham Induction Coil can be used to activate Crookes Mineral Tube and Crookes Cathode Ray Tube in same collection
Three Sets Of Early Headphones S.G Brown, boxed, Brandes Superior and Louis (3)
Rare Griffin & George Ltd Wire Bridge/Potentiometer two metres, excellent condition
Griffin & George Optical Spectrometer No. P1860
Eddystone VHF Receiver model 990R with manual and mains lead
Cambridge Thermionic Voltmeter Moullin pattern D, No. L-76606, ranges 4v & 20v AC
Venauto Clockwork Time Switch pre-dating the advent of digital timers, with key. Together with a
Venauto Clockwork Time Switch pre-dating the advent of digital timers, with key. Together with a Rustrak recording milliammeter and a Venner clock...
W.G. Pye Tangent Galvanometer
W.G. Pye Tangent Galvanometer
Weston Electrical Ammeter unusual, Model 528, cased
WWII Signal Corps Frequency Meter marked for U.S Army, Division of Bendix Aviation Corp, Baltimore, MD.
Two Laboratory Solenoids by Palmer, No. 25, and another unknown (2)
GEC Galvanometer No. 10580 with two ranges
Taylor Valve Tester model 45A
Taylor Valve Tester model 45A
Griffin & George Adaptable Galvanometer No. G 15679
Gambrell Bros Mirror Galvanometer No. 828
Tinsley Galvanometer type 4789, in fitted box
War Department Station Tester MK II No. 300, W/T Factory, Soho. W. Complete with calibration chart
War Department Station Tester MK II No. 300, W/T Factory, Soho. W. Complete with calibration chart for the three switch-selected ranges. An examp...
Wayne Kerr Universal Bridge B221 with lead and manual
Two Standard Cells by Gambrell of Croydon, 2200/484, and Griffin & Tatlock Western Standard, No.
Two Standard Cells by Gambrell of Croydon, 2200/484, and Griffin & Tatlock Western Standard, No. 5074
General Radio Co. Wavemeter Type 758-A, No. 3145 - General Radio Co - Cambridge - Massachussetts
General Radio Co. Wavemeter Type 758-A, No. 3145 - General Radio Co - Cambridge - Massachussetts
Tinsley & Co. Potentiometer Type 3387B
Electric Instrument - Rheumatism
Electric Instrument - Rheumatism
Van de Graaf Generator delivering a powerful spark, Batwin Electric Motors with recent construction
Van de Graaf Generator delivering a powerful spark, Batwin Electric Motors with recent construction
Five Assorted Laboratory Items including a rare Hilger-Nutting Photometer, boxwood rule, test tube
Five Assorted Laboratory Items including a rare Hilger-Nutting Photometer, boxwood rule, test tube stand and clamp, Bunsen burner, weights and a s...
Cased Watson and Sons Microscope
Cased Watson and Sons Microscope
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