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 155
Fig. 16. Drawing Angle of 15° and 75° By the use of the triangles and T-square aimost any line may bedrawn. Suppose it is desired to draw a rectangle having one side 1 o \ 0 n K\ r< o O o 1 Fig. 17. Drawing a Rectangle with T-Square and Triange horizontal. First draw by means of the T-square the… … Fig. 18. Rectangle Drawn with Triangles If the rectangle is to be drawn in some other position on the board, as shown in Fig. 18, place the 45-degree triangle F so that the longest edge is in the required direction of the side D C. Now, hold the triangle F in position and place another triangle in…
Mechanical drawing · Blueprinting
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