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Aviation History
1935
1935 - 0720.PDF
2 FLIGHT. ADVERTISEMENTS. APRIL 4, 1935,. SUPERLATIVE QUALITY MAXIMUM TENSION MAINTENANCE MINIMUM LOSS OF LOAD SLOWEST RATE OF WEAR Fit ELLWORTH PISTON RINGS made from THERMOCROM (Patent No. 4!5876). Am Ministry Specification DTD 233. Has the greatest strength and elasticity of any cast iron used for piston ring manufacture. For full particulars write Dcpt. F "W/ELLWORTHV \A# ——— LIMITED ———— PISTON RING SPECIALISTS UYMINGTON, HAN S Service Depot3: LONDON, BIRM INGHAM, MANCHESTER, NEWCASTLE- ON-TYNE, BRISTOL, SOUTHAMPTON and GLASGOW. DARLASTON SOUTH STAFFS I LIGI LIGHTWEIGHT AIR COMPRESSORS for aircraft— engine starting, operating air-brakes, sirens, etc. They are arranged to cut out auto matically, and run idle when the receiver pressure reaches a predetermined value. Above is shown the single-cylinder model, which weighs only AYi lb. and has a piston displacement of 0-368 cubic feet of free air per minute at 1,200 R.P.M. Power consumed: 0'175 H.P. at 200 lb .per square inchpressure. The hvo - cylinder model weighs 9 lb. and has double the capacity. Made in the same factory as the well-known BTH MAGNETOS BTH COVENTRY THE BRITISH THOMSON-HOUSTON COMPANY LIMITED, COVENTRY. ENGL A1637N Kindly mention "Flight" when corresponding with advertisers.
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