Memoirs of the most eminent American mechanics : also, lives of distinguished European mechanics : together with a collection of anecdotes ... relating to the mechanic arts : illustrated by fifty engravings (1852)
Howe, Henry, 1816-1893, New York Museum of Science and Industry. Library · New York : Harper & Brothers · leaf 364
DESCRIPTIONS, ETC. 357 quite close to the edge, two pieces of leather, one placed upon theother, and that a straight awl is used ; the hole that it will makewill constantly push out the leather towards the edge and give it aconvex form, and when the sewing is done the edge will exhibit arow of…
Industrial arts · Inventors
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