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 95
108 ROGERS DRAWING AND DESIGN. To describe a hyperbola, the transverse axis, thealtitude and the base being given. (See definition,page 36.) Let FI be the axis of the hyperbola, EI its alti-tude and BC its base, Fig. 205. F ///I 1\\//// >\\ //111 \ \ 1 1 , \ / i I I \ \ \ / ^ \ … 5 3 1 E Fig. 20.5. On BC construct a rectangle ABCD with EI asits altitude. Divide AB and BE into the same number cfequal parts, say 5. Divide DC and EC in like manner. From F draw lines to the points of divi-sion on BC. From the points of division on ABand DC draw lines to I. Through the…
Mechanical drawing · Machine design
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