Fox, William Paul. [from old catalog] · Chicago, Ill., Fox brothers · leaf 15
LESSON NO. 4TO SQUARE A BOARD Lumber that is badly warpedshould not be used. A board 8wide should not be more than y8out of true. Lumber that is warpedis sometimes flattened by steamingor soaking in water, and when thor-oughly soaked is clamped flat andleft to dry in a warm dry place,either in a…
Woodwork · Mechanical drawing
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