Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 86
he fronthorizontal axis, a left or right horizontalaxis, and a vertical axis at the left or right,and are represented in the illustration. The F. hor. axis is the only one re-quired to locate objects with reference tothe front and top planes. Figs. 28, 29,and 30 show how the views of objectsmay be… … Fig. 28 2 behind the front plane ; its short edges are parallel to the topplane, the upper one being i below the plane. - The front view is a rectangle 2X4, its long sides vertical,and its upper short side i below the axis of projection. The topview is a horizontal line 2 above the axis of…
Mechanical drawing
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