The pattern maker's handybook : a practical manual on patterns for founders, embracing information on the tools, materials and appliances employed in their construction (1887)
Hasluck, Paul N. (Paul Nooncree), 1854-1931 · London : C. Lockwood · leaf 126
ARMS FOR WHEELS "5 thickness into three equal parts. The three-part check, used for wheels that have six arms, and other purposes, is illustrated in Figs. 93 to 95 ; by this method three pieces may be joined together in the thickness of one. Find the centre in each of the three pieces ; then, with… … as shown in the figures. By gauge lines divide the thickness of the pieces into three equal parts. Cut away all the portions of the pieces as shown. The middle piece. Fig. 94, is to be cut in on both sides, as drawn in the figure, leaving one third part in the centre. The top Figs. 96, 97, 98.…
Patternmakers · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
