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Aviation History
1943
1943 - 2164.PDF
24 Advertisements. FLIGHT 1943 FOR ALL MODERN WORKSHOPS Temperature control demands highly special-ised equipment which is playing an increasingly large part in modern workshop practice. Avery wide metallurgical experience combines with comprehensive experience of refrigerationproblems and enormous technical resources to make the services of the Pressed Steel Companyof exceptional value in the application of Prestcold refrigerating equipment to particularproblems. These applications include: , # Temperature control and air conditioning of gauge, tooland jig boring rooms. 0 Extreme low temperature refrigeration (-65°C) forshrink fits. * # Low temperature test rooms for engines and test cabinetsfor instruments and materials to simulate stratospheric conditions. • Oil cooling—simple enclosed circuit oil coolers for heattreatment shops. • The delaying of the age hardening of Duralumin sheet stripand rivets (Patent No. 531,681) which holds heat treated material ductile for days. 9 All classes of commercial refrigeration equipment.PRESTCOLD LOW TEMPERATURE REFRIGERATION MANUFACTURING PRECISION EQUIPMENT PRESSED STEEL CO., LTD., COWLEY, OXFORD and at Power Road, London, W.4 and 353, Chester Road, Manchester r L WILLIAMSON — pioneers in the development of Photographic Equipment • • • The idea. In 1919 the first attempt at instituting an air microfilm service was started. Williamson designed and manufactured experimental equip- ment for microfilms to be conveyed by airship. The fulfilment. Today, the Williamson Microprinter, manufactured for and developed in conjunction" with the Post Office and War Office is used for microfilm service by air for war purposes to the battlefields of the Allies. Important secret documents, pay records, spares requisitions are transmitted in vast quantities to speed up the paper work of the war. For over half-a-century, Williamson have pioneered photographic developments of every kind. Their experience in design and manufacture has been proved in this increasingly important field. WILLIAMSON Designers and Manufacturers of PHOTOGRAPHIC EQUIPMENT ~l
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