Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 129
on ah. The point in the Horizon Line marked \ is the vanishing point 120 DESCRIPTIVE GEOMETRY for the line AB and for all other lines parallel to it>-It is therefore also markedV.P. A second hne, horizontal, and immediately above the hne AB, is shownin projection at a2^2- Its vertical trace in… … Fig. 114. travel to the eye in the obhque plane whose intersection with the picture planeis voV, the representation of the line in perspective is inclined, and is foundto be a2&2. In Fig. 114, an illustration is given involving the use of vanishing points otherthan the central vanishing point.…
Geometry, Descriptive
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