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Aviation History
1940
1940 - 0333.PDF
FEBRUARY 8, 1940 Advertisements. 39 RIGHT WE once saw a very big firm countersinking its rivet holes with an ordinary oversize twist drill. It was very slow, because the drill had to be lifted every few turns to check the depth. It was also risky, for there was nothing but the fear of the sack to stop the man going right through the sheet. So we produced for them this simple version of the Mighty Atom drill. It has an adjustable nose which limits the depth of countersink. It has a pilot on the cutter which keeps the countersink con- centric with the hole. Now the above- mentioned firm (and many others too) do their countersinking in far less time and in complete security without marking or scratching the sheet. And every counter- sink is true and clean and to precisely the correct depth. Are you sure that the same is true of your own works? TYPE MIC ADJUSTABLE-NOSE COUNTERSINKING TOOL. Weight li lbs. Maximum outside diameter of countersink f". 2500 r.p.m. Also available in higher and lower speed Mighty Atom and Power Atom tools. Prices and delivery on request. Desoutter Bros. Ltd. SPECIALISTS IN POWERFUL LIGHTWEIGHT PNEUMATIC AND ELECTRIC TOOLS DeptB, The Hyde, Hendon, London, N.W.9. 'Phone: Colindale 6346. 'Grams: Despmico, Hyde, London. •^ CJLCassonis
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