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 33
22 THE PATTERN MAKER'S HANDYBOOK. is then unfastened from the box and fixed in its bearings by the set screws and, by means of the hand lever, raised from the mould, giving it, at the same time, one or two gentle raps as it leaves the sand ; the bottom box is now ready. The process of moulding the… … Fig. 6. Moulding Machine. plate. An accurate perpendicular lift and raising the pattern plates equally on both spindles prevents the breaking of the corners or the cracking of the sand, thus completely avoiding troublesome applications of water and the mending up of the mould. The advantages of…
Patternmakers · Patternmaking
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
