Mechanical drawing : a manual for teachers and students (1902)
Cross, Anson Kent · Boston : Ginn & Co. · leaf 29
Problem 31. — To divide a straight line,CD, into the same proportional parts as agiven divided line, AB. Draw CD parallel to AB by Problem 5.Draw lines through AC and BD to meet in/. From points a, b, and c in AB, draw toI lines, which will divide-CZ> as required. Problem 32. — Within a square,…
Mechanical drawing
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