Notes for mechanical drawing; arranged for the use of the students of the Mechanic arts high school and the Evening school of trades (1904)
Mathewson, Frank E. (Frank Elliott), b. 1869 · Springfield, Mass. · leaf 126
-F/nish ftoffT i/Zew <s^oivmo ySec^nn. MECHANICAL DRAWING 60 - Coupling for 6hafts upto Ijcffa. —ProporT/o/ys— … MECHANICAL DRAWING 61 ISOMETRIC DRAWING Isometric Drawing is based on the following fundamental principles :- 1. There are three lines called isometric axes, a 30° line to the right, a 30° lineto the left, at the end of a vertical line. 2. These isometric axes represent lines that are mutually…
Mechanical drawing
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