Do It with Tools and Machines
����Finding the in- clination of a plane with a simple compu- t i n g square
��Peepholes are attached to the arms to measure the exact heights of trees, poles, buildings, hills, mountains and landmarks
���A handful of sparkling diamonds used by an automobile manufac- turer in truing grinder wheels
��An apparatus for electro-me- chanical mas- sage. It is used to relieve neur- asthenia and constipation
���Manufactured screws are thrown in the hopper and the machine counts and delivers them to the packer
��Jar for holding water to supply moisture at all times to the intake manifold of the automo- bi 1 e engine
���A trestle with toggle levers to hold a board during the planing process
��A quick-return screwdriver is a valu- able addition to the automobile tools
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