Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)

Fairfield, Howard Parker, 1858-, Kenison, Ervin, Waite, Edward B. (Edward Broughton), 1873-, American Technical Society · Chicago, American technical society · leaf 317

An illustration from Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc, 1919, leaf 317 — e figure A B C Df EF, 161 MECHANICAL DRAWING which bthe base <rf the pyramid; and the lines AW, B E\ and C F\will represent the projections of its edges foreshortened as they would, appear in the plan. If this operation has been correctly per- ed, the opp es of the hexagon should be parallel to… … -N 3 |6 C D Z n of Regular Hexagonal Pyramid projection of the pyramid may be easily constructed. Since it is directly under the plan, it must be projected vertically downward;then m each of points A. />. C, D, drop perpendiculars to AD, i of the pyramid in the elevation. The points of in1 ., A,…

Mechanical drawing · Blueprinting

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Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)

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