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)
8. TJirough any given point, to draw a tangent toa circle. • Let the given point be at A;draw the line A C, on whichdescribe the semicircle ADC;draw the line A D B, cutting thecircumference in D, which is thetangent as required. 9. To draw from or to the circumference of a cir-cle lines tending… … 12 PRACTICAL GEOMETRY.
Mechanical engineering
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