Sand box

	A box with a perforated top or cover, for sprinkling paper with sand
	A box carried on locomotives, from which sand runs on the rails in front of the driving wheel, to prevent slipping.

sand box

sand jack

A box having tight joints which is filled with dry, clean sand on which rests a tight-fitting plunger; the plunger supports the bottom of posts used in centering; when it is desired to lower the centering, a plug in the bottom of the box is removed, allowing the sand to run out.

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