Post Office Box, Plug Type
Catalogue No: 1090860/1
Plug type, in polished wooden box with hinged lid and panel printed with circuit connections. Resistance Coils are double silk covered and wound noninductively and have a negligible temperature co-efficient. Three pairs of ratio arms of 10, 100, 1000 ohm and resistance arms contains 16 coils from 1 to 5000 ohm with infinity plug. Total value 11110 ohm . Provided with Two spring keys having special contact for battery and galvanometer fitted. Accuracy of coils 100 ohm to 500 ohm is +- 0.05% and other coils in +- 0.1% of the marked value.
* Coils of Constantan Wire
Pack of (Pcs): 1
Plug type, in polished wooden box with hinged lid and panel printed with circuit connections. Resistance Coils are double silk covered and wound noninductively and have a negligible temperature co-efficient. Three pairs of ratio arms of 10, 100, 1000 ohm and resistance arms contains 16 coils from 1 to 5000 ohm with infinity plug. Total value 11110 ohm . Provided with Two spring keys having special contact for battery and galvanometer fitted. Accuracy of coils 100 ohm to 500 ohm is +- 0.05% and other coils in +- 0.1% of the marked value.
* Coils of Constantan Wire
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