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 191
r,and the friction may be deduced from the weight. To calculate the power, multiply together the length of the lever in feet, the weight in lbs., the num-ber of revolutions of the shaft per minute, and the number 6.2832 (2 it) : the result will be the lbs.raised 1 foot per minute, and this divided… … In Egers Friction Brake a cast iron friction ring is fastened by three pairs of screws on any sizedshaft that will pass through the ring. For the wooden segments an iron band is substituted, embracinghalf the circumference of the iron ring. The band ends in two bolts passing up through a…
Mechanical engineering
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