Plastic Bombs

Hand grenades and antipersonel mines can be easily and cheaply constructed from polyester casting res in, auto body putty, ABS and PVC pipe, plexiglass, vacumn formed styrene sheet etc. These plastic devices won't produce shrapnel fragments or concussions equal to the power of conventional bombs, but they do have two unique and noteworthy features; they are both non metallic and x-ray Li.apparent.

The first feature allows these devices to be carried through airports, government buildings and other controled areas where a mag-nometer check might be encountered.

Pipe Bomb-made from prethreaded plastic tube

The Inability to detect plastic fragments with x-rays will require that each fragment be probed'for and will complicate surgical treatment.

Mortar Bomb-cast lia 1 ves mold and join together

Pipe Bomb-made from prethreaded plastic tube

The Inability to detect plastic fragments with x-rays will require that each fragment be probed'for and will complicate surgical treatment.

Mortar Bomb-cast lia 1 ves mold and join together

Plastic shrapnel filler can be coated with poison before it is added to the bomb to increase the kill rate of the explosion.

Simple TESTS for Accuracy of YOUR RIFLE

rifle discs motor

.wheel placed to gether for test

^SMALL grinding head

Comparative bullet speeds are tested by device shown above and in drawing at left. Twin disks, spaced apart 011 shaft, are driven by motor. Bullet fired through first revolving disk strikes the second which has advanced slightly far-therf enabling comparison to be made.

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