Trip Lever

3. Strip one in. (2 1/2 cm) of insulation from the ends of 2 connecting wires.

4. Wrap one wire tightly around the spring loaded striker of the mousetrap.

5. Wrap the second wire around some part of the trip lever or piece of metal.

HOW TO USE:

CONNECTING WIRES —

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This switch can be used in a number of ways -- one typical method is presented here.

The switch is placed inside a box which also contains the explosive and batteries. The spring loaded striker is held back by the lid of the box and when the box is opened the circuit is closed.

Shelf Explosive Blasting Cap

Mousetrap Switch

Battery

A common mousetrap can be used to make a circuit closing itch for electrically initiated explosives, mines and booby

Section VII 137 No. 3

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