John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 165
for the band from the overhead motion; and the inclination of the fork and spindle was read by a graduated collar and index placed on the stem behind the fork. This form of the instrument was drawn among other English turning apparatus by Bergeron (1816) and spindles driven after this manner are… … tact of the teeth of the wheels is in fact registered on the work in a series of impalpable but yet visible ridges along every cut. The smooth and noiseless action of an endless band is fax- preferable for all these revolving tools and that has been adopted for the instruments now used. In the…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten02unit-64-24.webp)
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