An introduction to projective geometry and its applications; an analytic and synthetic treatment (1905)
Emch, Arnold, b. 1871 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 231
Fig. 91a. … Fig. 91&. First determine magnitude, direction, and position of theresultants (12) and (34) of the forces 1, 2 and 3, 4 by means ofthe polygon of forces (Fig. 926) and the funicular polygon(Fig. 92a). Then construct the funicular polygon of the result- APPLICATIONS IX MECHANICS. 219 ants (12)…
Geometry, Projective · Geometry, Analytic
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