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 125
4 to hold the dowel firmly. A centre plate is screwed on each end, these are made to fit the lathe, one end having a counter-sunk centre, while the other is made to fit the lathe chuck. These plates have centre lines carefiiUy marked upon them, these lines being set to the centre lines of pattern.… … of about one-eighth of an inch to the foot should be allowed on all square surfaces. Dowel pins are put through the steam chest portion the Figs. 93, 94, 95. same as in the cylinder. Three-Part Check Joint. These pins should be rounded over to work free, fitting the hole for about one eigth of an…
Patternmakers · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
