Stained glass work : a text-book for students and workers in glass (1905)
Whall, Christopher, 1849-1924 · New York : D. Appleton · leaf 60
Cutting (3) But now as to the handle. I am (elementary) £rst to eXplain the amusing “mystery” … Certain it is that the Fig. 17. whole trade here prefers these wheels, and I am bound to say that as far as my experience goes they seem to me to work better than those in other handles. 54
Glass painting and staining
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.