Cyclopedia of mechanical engineering; a general reference work. Editor-in-chief Howard Monroe Raymond. Assisted by a corps of mechanical engineers, technical experts, and designers of the highest professional standing (1908)
American School (Chicago, Ill.), Raymond, Howard Monroe · Chicago American Technical Society · leaf 158
en two boards, and nailing them together. Therequired shape having been drawn on the upper board, the wholemay be sawed to the form required on the band saw or scroll saw,but preferably on the latter, with a fine tooth narrow saw bladewhich will give a smoother edge to the zinc. If the boards… … iTiside veiw - : of O I6wer partx ^ ,;, the zinc can be scratched half waythrough its thickness, then by turningil over and placing the dividers in thesame center, the other side may be cutin the same way, or so nearly throughthat it will break off. This affords atruer and more uniform curve than…
Mechanical engineering -- Dictionaries
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