Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 665
Fig. 1544. … Fig. 1545. ARCHITECTURAL CONSTRUCTION. 649 Fig. 1545 is the plan of a portion of a large building heated by steam. B Bare two boilers, either of which would be sufficient for the purpose; the steammains are shown by black lines following those of the building, with the sizesmarked upon them; the…
Mechanical drawing
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