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History of the manufacturer  

Tinsley & Co. Ltd., H.; London

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Name: Tinsley & Co. Ltd., H.; London    (GB)  
Abbreviation: tinsleyco
Products: Model types

H. Tinsley & Co. Ltd.; London, England.
Now (2011): Tinsley Precision Instruments; 2 Gatton Park Business Centre, Wells Place, Redhill, Surrey RH1 3LG, England.

Precision Standards and equipment for calibration and measurement, starting in 1905 with the manufacture of the first commercially manufactured Weston Standard cells in England. Still active in 2011

web page;

Founded: 1904

This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
GB  50 Transformer 5147   Tinsley Transformer 5147; 
GB  50 Precision Variable Condenser 3553F   Tinsley Variable Condenser 3553F for precision measurements ; 0.001 µF to 1.110 µF in 0.00... 
GB  60 Weston Standard Cell 1149   Dual-Weston-cell primary voltage reference. 1.01859 volts per cell at 20 degrees/C.... 
GB  60 Non-Inductive Bridge Ratios 4170 H.F.    
GB  54 Variable Self & Mutual Inductance 1737    
GB  60 Weston Standard Cell 1268   Weston-cell primary voltage reference. 1.01859 volts per cell at 20 degrees/C. ... 
GB  60 Ratio Box 4065   Two times taps for 10, 100 & 1.000 Ohms. 
GB  60 Transformer Ratiometer 4167A    
GB  50 Resistance Box 4231 L.F.2. (423 / L.F.2.)   10 taps. 
GB  40 Galvanometer 4500LS   The 4500LS is an high sensitivity mirror galvanometer,comprising a polished lacquered m... 
GB  65 Frequency Selective Amplifier 5710   An instrument for uses where measurements are required at a number of frequencies. Input ... 
GB  65 High Precision Resistance Bridge 5577   An unconventional Wheatstone-bridge with six coils used on each of six decades. Total mea...