||time delay relays
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||Information & Communication Collection
||On label stuck on bulb: " STYLE 136787 / SUN-VIC CONTROLS LTD. / Type "602." Control Current must not / exceed 29 MA. Control Circuit Resistance 1800 Ohms. approx. Unless 1 lead is common / to the Control Circuit, the series resistance / must be in 2 parts, 1 in each lead and neither / part must be less than 500 Ohms. / Patent No. 354020 & Others ", " 16.0 : 16.0 mA 17.9.63 "
||Sun-Vic Controls Ltd., 1963