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Loose Hammer Head
# 1F20.60

Description: A hammer head can be tightened by pounding the far end of the handle on a table. This can be demonstrated using a wood block and a short section of PVC. Pound the PVC on the desktop and the wood block slides down a little with each blow. You can then cause the block to rise by pounding the top of the tube with the palm of your hand.

Instructions: The wood block should be snug, but not tight, around the PVC pipe. The friction is adjustable by tightening the wood screws in the wood block.

Purchased/Built: built

Quant. in Demo Room: 1

Demo References
Freier and Anderson Mc-5 A hammer handle may be tightened by pounding on the far end of the handle.

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