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 35
•he nearest approach that we can find to it, and select the tooth as nearly straight, solid, and round aspossible, provided the other prognostics are equally favorable. The rind should appear smooth and free from cracks, and if the heart should be visible at the tip,the more central it is the…
Mechanical engineering
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