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Aviation History
1959
1959 - 1691.PDF
54 FLIGHT 12 JUNE 1959 •DIAMOND H'Hermetically Sealed Miniature Relays SERIES BR. , HERMETICALLY SEALED 4 P.D.T. RELAYS •:./. ?• Series BR relays are hermetically sealed 4-pole D.T. high performance components. Weighing 4 ozs. or less, they offer vibration resistance better than 2,000 c.p.s. at 20 G, operating shock resistance to 50 G and temperature range from —65° C. to +200° C. Applications range from guided missiles and high speed aircraft to com- puters, fire control, radar, etc. Mounting Arrangements to suit all requirements This is one of the wide variety of standard mount- ing arrangements available for " Diamond H " relays. ;-^.;;.,,;. -<r SERIES B S. v.,, =•.-., ., -v,,-.-.- HERMETICALLY SEALED 4 P.D.T RELAYS WITH SEPARATELY SEALED COIL—INORGANIC SWITCH MECHANISM Greatest dry circuit reliability is assured in series BS relays, by virtue of the coils being separately sealed within the outer hermetically sealed case. The switch mechanism con- tains no organic matter, hence contact contamination is eli- minated. Dry and wet circuits can be safely inter- mixed. Electrically and physically, series BS relays are interchangeable with series BR relays. 'DIAMOND H SWITCHES LIMITED. GUNNERSBURY AVENUE, CHISWICK, LONDON. W.4. Telephone: CHISWICK 6444 (5 LINES) Telegrams:- DIAMONHART. CHISK. LONDON. B. S. T. AERONAUTICAL CO. SUPPLY THE AVIATION WORLD WITH SPARES FOR THEIR DAKOTA FLEETS " : --• LTD. Still the most utilized Aircraft in the World Let us assist you to keep it so and also reduce jour maintenance ) and spares problems to a minimum , Your enquiries for A. N. material and all types of Dakota and American . u.-_. spares dealt with promptly Comprehensive Stock List available on request from:— B. S. T. AERONAUTICAL CO. LTD. Blackbushe Airport, Camberley, Surrey. Telephone: Camberley 1600, ext. 31, 310
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