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Aviation History
1952
1952 - 0934.PDF
66 FLIGHT 4 APRIL 1952 Weston Resistance Bulbs The Model S.110 Platinum Resistance Bulb, used in conjunction with a Weston circular scale indicator is greatly superior in every respect to other methods of temperature measurement. Its platinum element is the most stable, accurate and the smallest yet produced for practical applications. Due to the very small size of the resistance element, the response time is extremely rapid. Reliability and long life are ensured by the fact that the element is hermetically sealed into a J" o/dia. stainless steel sheath which is fitted with a watertight plug connection. The socket is moulded integrally with special cable which is supplied. The Model S.110 is suitable for temperatures between -200°C. and f- 500°C. Full details of Weston equipment for aircraft will gladly be supplied on request. WESTON AIRCRAFT INSTRUMENTS NA.\G.4]IO WESTON LIMITED ENFIELD MIDDLESEX Tel I Enfield 343* (6 line*) 12*2 (* Unmm) Grama I Soiwal, Enfield Scottish Factory: Port G/asgow, Renfrewshire Branches. Glasgow. Manchester. Newcastle-on-Tyne, Leeds, Liverpool, Wolverhampton, Nottingham, Bristol, Southampton, Brighton wAw^w// vie a^ vutt ^. A Stiff Nut is a one piece nut which complies with R.A.E. Specification No. A.D. 114 — a nut provided with means of f increasing the friction between the thread of the nut and that of a standard bolt to an extent that the nut may be considered self- retaining. A Stiff Nut should be as light as is consistent with strength and be able to withstand all conditions of service use. It should be of a design which does not cause undue damage or excessive wear to the thread of the bolt on which it is mounted. A perfect description, in fact, of the G.K.N. 'Aerotight' Nut — often casually referred to as a Lock Nut or Self-Locking Nut—which has the added advantages that it can be used over and over again without loss of efficiency. Its retentive properties are unaffected by oil, water or humidity. AEROTIGHT' STIFF NUT Supplied in Steel, Stainless Steel, Light Alloy, Brass and Bronze in Whitworth, B.A. and B.S.F. Threads. Recommended for all applications where vibration is encountered. Economical in use. No need for drilled holes, cotte' pins, lock washers, etc. GUEST KEEN & NETTLEFOLDS (MIDLANDS) LIMITED SCREW DIVISION: BOX 24, HEATH STREET BIRMINGHAM 18 S/A/2002
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