Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 195
any of these forms. Forexample, an ordinary tomato can is in the form of a cylinder.Before an object of this kind can be cut from a sheet of metala pattern must be made which, when rolled up, will give thecorrect form. 189 190 MECHANICAL DRAWING To construct this pattern the object is imagined… … 17 b r n a b c cf a Fig. 200. Eolling a Pkism toObtain the Development of ItsLateral Surface Fig. 201. Orthographic ViewsAND Development of the LateralSurface of a Prism came into contact with the board. The prints of these faces areshown. If the whole figure a, b, c, d were cut out of the paperand…
Mechanical drawing
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