POST OFFICE BOX, PLUG TYPE Fitted in elegantly polished wooden case Plug type, with three pairs of ratio coils of 10, 100 and 1000 ohms and 16 series coils from 1 to 5000 ohms, total 11, 110 ohms, giving a range from 0.01 ohm to 1, 111, 000 ohms. Two tapping keys are provided...
Each ratio arm has resistance of 10, 100 and 1000 ohms. The series arm has a resistance of 11110 x 1 ohm given by 16 coils. Battery and galvanometer keys are provided....
DESCRIPTION : With 6-decades, four series dials for resistance 1, 10, 100 & 1000 ohms and 2-ratio dials. Two terminals are provided for using the series dials as on ordinary dial type resistance box. The galvanometer and battery key are fitted with...
We are one of the leading Manufacturers & Suppliers of Plug Type Post Office Box . The Post Office Box is of high quality and gives best performance. The electricity Post Office Box has two spring keys having special contact for battery and...
A: Plug type, in polished teak wood box with hinged lid and black bakelite panel lined in white colour to show circuit connections. Coils of constantan wire double sild covered are wound non-inductively and have a negligible temperature...
Post Office Box Plug Type : Having three or four pairs of ratio coils of (10, 100, 1000 ohms) and 16 series coils of selected double covered wire enclosed in a teakwood case with Sunmica Top. The blocks are made of brass size 1/2" (Square Rod)...
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