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Mine Switch Detonator Circuit Board : Lieutenant J M Royle, 1 Australian Tunneling Company, AIF
Technology
Mine detonator circuit board switch. The circuit board is made from wood and features eight copper relays which act as a circuit breaker. The wooden switch handle is attached to two brackets which sup...RELAWM17125
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Throw Over Switch: Hill 60, Captain O H Woodward, 1 Australian Tunneling Company, AIF
Technology
Maker: Unknown
Double pole throw over switch used to detonate the Hill 60 mines.RELAWM11651