Appletons' cyclopædia of technical drawing : embracing the principles of construction as applied to practical design ... (1896)
Worthen, W. E. (William Ezra), 1819-1897 · New York : D. Appleton · leaf 283
FIG. 582. minute has a capacity of 22 fluid ounces, which is sufficient for six monthsrun. The above revolutions per minute are Messrs. Sellers & Co.s -practicefor machine shops, for wood-working machinery 250, for that of cotton andwoollen mills 300 to 400 per minute.
Mechanical drawing
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