slide rest
noun
engineering a stack of platforms that sits on a lathe saddle and carries a tool post, and is adjustable in rotation and at right angles by a lathe operator
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Examples from the Web for slide rest
Historical Examples of slide rest
The disc is, of course, mounted on the mandrel, and the work on the slide-rest.
On Laboratory ArtsRichard Threlfall
The device employed in a slide-rest to grip the cutting tool.
Following the invention of the lathe and the slide-rest, came the metal-planing machines.
Inventions in the CenturyWilliam Henry Doolittle
Any modern worker is spared this labour and worry by the device known as the Slide-Rest.
The Romance of Modern MechanismArchibald Williams
By means of the slide-rest the negative may be moved up or down to any desired position.
Photography in the Studio and in the FieldEdward M. Estabrooke