An introduction to machine sketching and drawing for industrial and technical schools (1917)
Toronto : Copp, Clark · leaf 38
., or the wordsFinish all over or f all over, should appear. Examples of such notesare shown on pages 47 and 51. These mean that all the surfaces are to bemachined to the exact dimensions shown. WTiere these words appear, the pattern-maker or the blacksmith must allow extra stock, usually 1/lG .n.… … 36 MACHINrj SKETCHING AND DRAWIN(; Cast-ikox Bracket Scale—Half size Make a drawing of the bracket to scale. Two views are sufficient. In castings where two unfinished surfaces meet at an abrupt angle, the corners are alwaysrounded by fillets. These are shown in drawings by short curved lines. The…
Mechanical drawing
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