Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 285
Fig. 582. minute has a capacity of 2*2 fluid ounces, which- is sufficient for six monthsrun. The above revolutions per minute are Messrs. Sellers & Oo.s practicefor machine shops, for wood-working machinery 250, for that of cotton andwoollen mills 300 to 400 per minute. … Fig. 583.
Mechanical drawing
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