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Aviation History
1945
1945 - 0350.PDF
FEATURES OF WESTON AIRCRAFT INSTRUMENTS FUG!Feb.! J945. 4 Here again is seen the ubiquitous and versatile Westoo Moving Element assembly. In recording the relatively low air, oil and radiator temperatures, a ratio meter circuit is used, in conjunction with a separate supply, to provide the necessary energy, the readings of the indicator being independent of voltage fluctuations over a comparatively wide range; but in the cylinder temperature indicator the element is actuated by an electromotive power of less than fifty millionths of a watt resulting from the action of heat on two unlike metals contained in the Weston Thermocouple ... a striking combination of delicate craftsmanship with the necessary robustness to Withstand service use. By standardising the moving element assembly in this way it has obviously been possible to devote specialised research in design, materials and construction, to its development ensuring in use the utmost efficiency, reliability and simplicity of maintenance 10 OH AIRCRAFT INSTRUMENTS SW34. SANGAMO WESTON LTD. ENFIELD MIDDLESEX
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