Series of test in which automatic detonator 'mole' is tested for effectiveness in disabling railroad trains.
United States USA Date:1942 Duration:8 min 31 sec Sound:Yes
A research film in which 'mole', an automatic detonator, is tested for effectiveness in disabling railroad trains. A train passes through tunnel. Working and components of mole explained. Components include photoelectric cell, amplifier and a detonator. Working of mole explains where to place explosive, why and how to prepare it. Charge is placed on a railroad car. This car is attached at the end of train. A train moves. Train car damaged after detonating mole. Men at railroad car examine. Charge placed by men on train. Explosion and reaction of train is tested. Damage is examined. Next test shows 'linear shaped charge' with explosive and bracket to hold it, demonstrates how to secure charge to bracket, bracket to train car and where to place components of mole. Explosion on train. Damage in detail is examined.
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