Battery Cell Tester.
Battery Cell Tester It Is meant for testing voltage of cells and batteries. It is a center
zero, light weight voltmeter of low consumption having robust and
compact construction, suitable for in-door and outdoor use. It is housed
In the tough bakelite case which can conveniently be held In one hand
while testing. The movement is of the moving coil type and is
sufficiently damped and comes to rest quickly. Range 3-0-3 volts or
any range as required.