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Aviation History
1944
1944 - 0984.PDF
20 Advertisements. FLIGHT MAY IITH, 1944 SHRINK FITTING OF BUSHES MEANS RAPID ASSEMBLY WITHOUT DISTORTION At 6o°E. too large. At -6o°C. a "freedomfit." This is what one series of " Prestcold " low-temperature cabinets can achieve. Take jar example a case where a duralumin bush has to be fitted into a magnesium casting:—- Diam. ot bush at shop temperature (say'i 1.9400 ins Diam. of bore of casting 1.9380 ins. Interference 0.0020 ins. Take now the new readings after the temperature of the bush has been reduced in a specially designed refrigerator to —6o"C. Diam. of bore ot casting at shop temperature 1.9380 ins. Diam. of bush at -6o°C. 1.9369 ms. Clearance o.oonins. This means a freedom fit which speeds up production, reduces scrap, eliminates swarf and so on. Cabinet illustrated is a general- purpose " shrink fit" refrigerator with cooling compartment 21" x 10" *> 16". Other sizes available and special - purpose equipment. An investigation into the possi bilities of Prestcold refrigeration equipment in your factory would cost you nothing. Consultations given in any part of the country. PRESTCOLD i/ REFRIGERATION PRESSED STEEL CO. LTD., COWLEY, OXFORD POWER ROAD, LONDON, W.4 • 55 ST. GEORGE STREET, LEEDS, I • 353 CHESTER ROAD, MANCHESTER MANS THE MACHINE By assisting his welfare, you assist Britain's warfare! a Nothing plays such havoc with your production . . . or**1 your workpeople ... as industrial dermatitis and similar troubles set up by the infiltration of metal dust, grease, oil and chemicals into the pores of the skin. STERNO- CLEANSE Anti-Dermatitis and Protective Cream, rubbed into the hands and arms before work, forms a completely protective film which prevents impurities entering the pores. After work, it is washed off with ordinary soap and water. Used in most Government and large industrial concerns. STERNOCLEANSE No. I for protection against grease, oil, paint, filings, etc. STERNOCLEANSE No. 2 for protection against soluble oils, spirits, chemical and water-wet solutions. WARTIME PRODUCTION DEMANDS SKIN SCREEN AGAINST DERMATITIS STERNOL LTD., FINSBURY SQUARE, LONDON, E.C.2. ALSO AT BRADFORD AND GLASGOW All enquiries Mould be addressed c :— NDUSTRIAL SPECIALITIES DEPT. 33. Supplied in cases containing 36 iubes, I2x2-lb. tins, 6 X 7-lb. tins. Also n 28-lb, and l-cwt kegt. Telephone Telegrams: Kelvin 387I-2-3-4S. '' Sternoiine, Phone London j
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