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Aviation History
1942
1942 - 0695.PDF
APRIL 2ND, 1942 FLIGHT Advertisements. j< BRIT. PAT. Nos. 514,033/4/5 ~y PLEASE NOTE KENNAMETAL TOOLS Only t\ENMAto£TAL permits machining all tough alloy steels & monel metal. Heat treated up to as hard as 50 "C" Rockwell and combines Roughing and finishing in one operation. Only can maximum output be obtained with KENHAMETAL when machining these steels and material having a curling chip. Other materials can be machined successfully with the cemented carbides of which many are available. We would therefore ask our customers to co-operate with us in the national interest, in only using HENA/AM£TAL where advantage can be shown over the cemented carbides as there is only a limited supply of /f£/s//y/^ /Vf FT A L _>»•* GEORGE H. ALEXANDERl BIRMINGHAM, 4 I MACHINERY LTD. 'PHONE: ASTON CROSS 3IE« [Si 'GRAMS:."VIKING BIRMINGHAM" MINOR 90 Hf MAJOR 150 KP POWER ON COMMERCIAL FUEL CIRRUS MAJOR 150 132/138 h.p. "take off" power 149 h.p. maximum power using COMMERCIAL SPIRIT As per Air Ministry Type Test.
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