Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 35
perpendiculars DE and B at E and F. ThenBDEF is the required rectangle. To construct a triangle equal in area to a givenparallelogram—Fig. 73. Let ABCD be the givenparallelogram: Produce the line AB at B and D C … make BE^ equal to AB. Join the points A and 0and ACE will be the triangle required. To inscribe a square within a given circles-Fig. 74. Let ADBC be the given circle: Draw the diameters AB and CD at right angles to eachother. Join AD, DB and CA, then ACBD is theinscribed square. To describe a…
Mechanical drawing · Machine design
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