... a detail of a kind of gouge work which you must all know very well. One perpendicular cut of a gouge driven in with the mallet, and one side cut, should form one of these crescent or thimble-shaped holes. They should not be too deep in proportion to their size. Their combinations may be varied to a great extent. Two or three common ones are shown in the illustration. This form of ornament was in all likelihood invented by some ingenious carpenter with a turn ... — Wood-Carving - Design and Workmanship • George Jack
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