Woodworking for beginners; a manual for amateurs (1900)
Wheeler, Charles G. (Charles Gardner), 1855-1946 · New York and London, G. P. Putnam's sons · leaf 368
Fig. 4S2. 354 Wood-Working for Beginners at the right angle. A common way to do this is to stand S(iuarelyin front of the work and judge by the eye whether the bit is at rightangles with the work, and then to stand at either side at rightangles to the first position and judge of the angle again.…
Carpentry · Woodwork
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