Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 87
er P of the othercircle. (See the preceding problem.) From O and P draw perpendiculars to these tan-gents and continue them until they cut the givencircles at AB and CD. Join the points. The linesAB and CD are the required tangents. 100 ROGERS DRAWING AND DESIGN. To draw lines tangent to two given… … From O as center and OG as radius, describethe circle GHI ; draw tangents PH and PI to thiscircle from the center P of the other circle. Drawperpendiculars to these tangents from O and P andthey cut the given circles at the points A BCD.The lines joining the points A and B and C andD are the…
Mechanical drawing · Machine design
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