Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 632
es are slid. Fig. 1494 is a perspective view of a city machine and blacksmith shop. Itwas built for a purpose, and to express the purpose constructionally and eco-nomically. As regards convenience and strength, it was found to be, on occu-pation, all that could be wished. Posts, lintels,… … Fig. 1495 TTni^c I I I I I I I I I i I w£-
Mechanical drawing
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