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Aviation History
1933
1933 - 0162.PDF
FLIGHT ADVERTISEMENTS. JULV 20, 1933 t'ast passenger vehicle parts made from "Hicore 90'"-courtesy of The Associated Equipment Co., Ltd. <fr STOCKSBRIDGE ALLOY STEELS FOR HIGHLY STRESSED PARTS Here are two of them:— ' HICORE 90"—a new alloy case, hardening steel with a core strength of 90 tons per square inch, permitting a thinner, well-supported case which will not chip. "MANCASE"— a free-cutting case- hardening steel capable of a deeper case than carbon case-hardening steel, very suitable for machining on high-speed automatics. Write for descriptive booklets of these and other " Stocksbridge " Steels. All alloy and special steels to BESA and other specifications are included in the " Stocksbridge " series, SAMUEL FOX & CO. LTD. THE UNITED Associated with The United Steel Companies Limited STOCKSBRIDGE, SHEFFIELD <i>P?5 Over 1,500 Aircraft are fitted for BLIND FLYING with the Sperry HORIZON and DIRECTIONAL GYRO Full particulars gladly sent to anyone interested THE SPERRY GYROSCOPE COMPANY, LTD. GREAT WEST ROAD, BRENTFORD, MIDDLESEX, LONDON. OMPANIESLTDI IRVIN THE PARACHUTE FAVOURED BY OVER THIRTY-SIX GOVERNMENTS ALL IRVIN TYPES ARE APPROVED BY THE AIR MINISTRY. Sole Distributors: OXFORD ST. Mayfair 1234. SELFRIDGES HESTON (AVIATION DEPT.) Haye, 410. Kindly mention " Flight" when corresponding with advertisers. XX
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