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 127
one side of the branch will be marked, and we must then turn it upside down on the Y's, set the joint vertically again, adjust the mark to the scriber point, and proceed as before to mark the other side of the branch. We may then cut out the coiners to the lines, which may be most rapidly performed… … be struck out in the same manner; but instead of being- set square with the rod of the trammel, as in the former
Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.