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Aviation History
1940
1940 - 2003.PDF
JULY 18, 1940 Advertisements. 9 •*•"• fe/g recitesFASTER PRODUCTION! See how •"•• • ;• ;•/,..::..'^.',):'-:-.• MACROME TREATMENT SAVES TIME! This report from a Midland factory is a typical example of the difference in output between ordinary tools and Macrome treated tools. Drills used Material worked on Grey Cast Iron 3% Nickel Direct Hardening Steel 5% Nickel Direct Hardening Steel Usual make untreated No. of Holes Drilled 339 51 40 Time 8 hours 6 hours 10 hours MACROME TREATED No. of Holes Drilled Time 1,001 8 hours 106 100 5 hours 8 hours The Macrome treatment is a special steel toughening process whirh can be applied with equally beneficial effect to all types of Drills, Taps, Cutters, Saws, Reamers, Screwing Dies, Turning Tools, etc. Tools are treated and re-despatched within 24 hours of receipt, GUARANTEED to give a GREATER AVERAGE OUTPUT. Send your stocks of tools for treatment and instruct your supplier to send all tools via Macrome for toughening. GET IN TOUCH WITH US AT ONCE, WE ARE ANXIOUS TO GIVE YOU ALL THE HELP WE CAN, REGARDLESS OF ANY BENEFIT TO OURSELVES. ACROME -LIMITED- F. Dept., HAY MILLS, BIRMINGHAM Telephone: VIC. 1283-4 London Office : KINGSDOWN, MERSTHAM, SURREY Telephone -. Merstham 55 Manchester Office : 62, MARKET STREET Telephone: BLAckfriars 1324
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