Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 286
Holders are appliances used to support the tool when it requires to stand far out fromthe tool-post, the size and strength of the holder being much greater than of the tool. For smallwork a tool-holder is often employed, the object being to save the forging of the tools by securinga short piece of…
Mechanical engineering -- Dictionaries
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