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)
angle will be asection of the beam as required. 18. To measure the distance between two objects,both being inaccessible. From any point C draw Aany line C c, and bisect itin JD; take any point E inthe prolongation of A C, anddraw the line E e, makingD e equal to D E; in likemanner take any point F…
Mechanical engineering
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