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Aviation History
1948
1948 - 1682.PDF
20 Advertisements. FLIGHT OCTOBER 7TH, 1948 New WESTON Circular Scale Indicators These new Weston circular scale indicators are of the ratiometer type and are designed tor use with resistance bulbs for the measurement of aircraft engine, oil, air and radiator temperatures. The indicators are designed for all standard aircraft voltages, a feature of the indications being that their accuracy is unaffected by any normal variations in the supply voltage. The scale angle is 270° and the scale length is approximately 3| inches. The indicators are shielded against external magnetic fields and compass interference. They are available for various temperature ranges, the Model S63 being designed for D.C. supplies and the Model S94 for A.C. supplies of frequencies from 250 c s and 400 c/s. The indicators comply with A.M. Spec. R.G.794. WE s TON Aircraft Instruments SANG AMO WESTON LIMITED, GREAT CAMBRIDGE ROAD, ENFIELD, MIDDLESEX. Telephone : EKField 3434 and 1242. r~NEWT Ml AIRCRAFT GENERATORS AND ROTARY TRANSFORMERS 108,215 of these machines were manufactured by us for War purposes and 231,200 by other firms working to our drawings and designs. We have been designing and manu- facturing aircraft electric generators since 1917. ELECTRIC PLANT SPECIALISTS
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