MIL S 21903 : 0
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Specifies a device of two electrolytic cells each in series with a fixed resistor. When current is applied a spring loaded plunger releases, causing a switch to close.
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