John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 135
09 in revolution; while on the contrary a minimum of friction is desirable both to avoid fatigue to the operator, and also that the speed may continue unimpaired when he removes his foot from the treadle during the intervals between the cuts, that he may be more at liberty to shift the work round… … inconveniently disperse upon everything beneath them; the single bands are troublesome to arrange and replace, they also wear more rapidly and the occasional accidental sudden descent of the weight is objectionable. The form of the modern overhead motion figs. 86. 87, has been acquired by…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
