Vaughan's carding lessons. "For the mill boy" .. (1905)
Vaughan, M[athis] H · [Huntsville? Ala.] · leaf 14
If A has 24 teeth and makes 240 revolutions per minuteand we wish D to make 180 in the same time, how many teethwill be required in D ? 240X24 =32. 180 It happens frequently that we have worm gears to figure.A is a worm, B the worm gear and C is a counter gear. IfA makes 308 revolutions per minute,… … 308X1 ^=14, revolutions of C. 22 If A makes 440 revolutions per minute, what will B make ! 440X1 ■3=15, revolutions of B, 36 If A is double threaded and makes 216 revolutions per minute, what will B make? 216X2 =12, revolutions of B. 36 The rule is, divide the revolutions of the worm, if…
Woolen and worsted manufacture
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