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 247
, and that its new positionmust be in the line S b^, it is obvious that its vertical projection isthe point fe^, the intersection of a horizontal line drawn through hwith the line S ¥. The distance bb^ may then be used to determinethe distance from ^S to b\ and determines the position of the… … Fig. 138. E B DC Frustum of Pentagonal Pyramid 168 MECHANICAL DRAWING 103 Planes with Cones or Cylinders. Sections cut by a planefrom a cone have already been defined as conic sections. Thesesections may be any of the following: two straight lines, circle,ellipse, parabola, hyperbola. All except…
Mechanical drawing · Blueprinting
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