Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 271
791. 792. … overhanging part of the figure. For instance, were it attempted to mould a human head so thatthe parting might pass through the central line of the face and down the back; the two halves couldnot be separated if they were made each in a single piece, as the inner angles of the eyes, the…
Mechanical engineering
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