Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 71
. Steel. Brass. G H 1 J K L Copper. Lead or Babbitt. Aluminum. Rubber or Vulcanite. Leather. Asbestos. M N o P Q R Wood. Brick. stone. Glass., Earth. Liquid. lines. Seven distinct surfaces may be shown bychanging the direction and angle of the sectionlines. Differences in the material are also… … ^y/,4/- ^?- w^y >> O
Mechanical drawing · Machine design
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