Wet and dry types. Dimensions of dry types, components of wet cells; containers, current-limiting resistors, connecting wires, terminals. Purity of zinc electrodes and electrolyte for wet cells, performance requirements include discharge and storage tests, current and voltage limitation tests.

BS 1975:1957
Original price was: $264.16.$132.00Current price is: $132.00.
Specification. Primary cells and batteries for intrinsically safe circuits in coal mines
BSI Group , 01/01/1957

