John Jacob Holtzapffel · digital reprint by www.CircuitousRoot.com · leaf 420
he star was cut with the tool previously used, the point revolving centrally to give fine lines for printing, and with the ring at '25 as before. The eight longest rays cut at 96, 12, 24 etc., had the traverse of the cutting frame along the sliderest limited by the fluting stops between the two… … side of those previously completed with the division plate ar- rested at 1, 11,-13, 23,-26, 35 etc.; and so on with similar pairs of cuts with every reduction of '05 in the length of tra- verse to the eight shortest rays. The drills and the cutting frames that revolve vertically or horizontally are…
Ornamental turning
Internet Archive · Dr. David M. MacMillan · Public Domain Mark 1.0. Free to use for anything.
