The pattern maker's assistant : embracing lathe work, branch work, core work, sweep work, and practical gear construction : the preparation and use of tools : together with a large collection of useful and valuable tables (1878)
Rose, Joshua · New York : D. Van Nostrand · leaf 49
chisels, and other similar tools upon it. With this object in view, the workman should set small tools upon the ends, so as to prevent the stone from be- coming hollow in the middle. When it becomes necessary to grind the face of the oilstone, it may be done upon the grindstone ; but a better plan… … leaving it flat across the face, by which means it will last longer without regrinding. There are some stones which are used with water instead of oil ; they do not cut, as a rule, very freely, but the finer grades of them will cut unusually smooth. These are the descriptions used by the Japanese…
Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
