The mechanic's text-book and engineer's practical guide; containing a concise treatise on the nature and application of mechanical forces; action of gravity; the elements of machinery; rules and tables for calculating the working effects of machinery; of the strength, resistance, and pressure of materials; with tables of the weight and cohesive strength of iron and other metals (1866)
-a*-,.- -,-<r ^- 16 PRACTICAL GEOMETRY. … 19. To ascertain the distance, geometrically, of anyinaccessible object on an equal plane. Let it be required to find thedistance between A and B, Abeing inaccessible; produce theline in the direction of A B toany point, as D 5 draw the line Dd at any angle to the line A B \bisect the line D d,…
Mechanical engineering
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