John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 133
OVERHEAD MOTIONS. 107 operator himself; it not only continued in use during very many years until the improvements in the sliderest necessitated its modification, but it was frequently constructed in iron, an improvement in elasticity. The light iron frame employed which also had a double strut, is… … of pulleys and thence around the tool was employed in fig. 83, a form of overhead motion similar to that mentioned as de- scribed by Bergeron. In this an iron rod or lever was jointed to the upper extremity of an iron standard attached to the left baud upright of the lathe frame, and either the one…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.