Educational woodworking for home and school (1908)
Park, Joseph C · New York, MacMillan · leaf 126
Fig. 129. —Patent groover or dado heads. They are dangerous to useand one must handle themwith great care. 86. Saw Guard. — Thereis danger in operating a ripsaw, or in using any powersaw for that matter, and onecannot be too careful in using every precaution against … Sample of work made withgroover head. accidents. The saw guardmay help to prevent acci-pieces of w^ood from flyingsawdust from flying into theabling him to see his work.This guard should beused by all means ina manual trainingshop, where unskilledpeople use the saw. 87. Circular Saws.— A circular…
Manual training · Woodwork
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