Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 188
STONES. In selecting the form of construction, and the stones of which it is to be composed,the draughtsman must be governed by the fitness for the purpose and the cost. He mustselect from what he can readily get, and arrange the form to suit the material. He mustknow what is to be the exposure,…
Mechanical drawing
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