Don Mills, Ont. : Southam-MacLean Publications · leaf 620
the knife with the edgeup and by the back only. Never reach across thecutting edge for any purpose, no matter whether yourmachine is protected by a safety device or not. December, 1915 CANADIAN WOODWORKER 61 Boring Tools for Shell Boxes Illustrated herewith is a bridge block reamer forboring… … Knechtel Bridge Block Reamer now producing an output of 700 four-hole blocks perten hours. The cutter is arranged so that all cuttingpoints can be ground, and the bits are tempered tostand the heavy strain. The tool is so designed thatbits can be instantly replaced. With this bit it isnecessary to…
Furniture industry and trade · Woodworking industries
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