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Aviation History
1959
1959 - 0187.PDF
34 FLIGHT 9 JANUARY 1959 REDUCE THE Mk.4 SWITCH (TYPE 3126) FULL SIZE RISKS ^CATHODE OHFRANGIBLE SWRSB THE Mk.4 SWITCH Completes two separate circuits within 15 milli-secs. of being broken Embodies a new test-feature *;[ v *' : Withstands over 30g. ^r \ •- : 7. ~- r"'.-.. Weighs only 3ozs. Has a temperature-range from — 60° C to + I2O°C IS USED IN THE VANGUARD CATHODEON LTD., CAMBRIDGE, ENGLAND. GRAVINER fire protection equipment was chosen for the Vanguard. GRAVINER ... first in airborne fire protection equipment. GRAVINER in their 25th year congratulate FLIGHT in their 50th. COLNBROOK • SLOUGH • BUCKS • TEL: COLNBROOK 23*5 Socialists in Industrial Thermostats, Overheat Switches and Industrial Explosion Protection Equipment. G.6»
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