581. Beard micrometer for old automobile cylinders


Also comes with a larger sized micrometer:





582. Book darts





583. Castellated nut, toward the bottom of this page it is shown how this nut is used. Might have been a good piece for the hardware chess set.





584. Block knife or chopper, it swivels on a ring fastened to a heavy block and is used on wood or various farm crops.





585. Load binder






586. Squirrel mixer








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