WWII DEMOLITION TEST EQUIPMENT MK1

Unit used for testing detonator charges when using thin wire as a means of ignition, the wire would be fixed between two pillars and the current increased until the wire burned out, it then had to be calculated what charge would be needed to rupture the wire when surrounded by an explosive substance and ignite it successfully. The unit can 'Check continuity of the ignition circuit' 'Find resistance of a circuit' 'Test for fusion resistance of the wire' 'Test the battery in the unit'.

A0790