Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 664
common to intro-duce local fans driven by electric motors to supply air at varied points and inquantities suited to the needs of the position. By the use of dampers or valvesair of any temperature, from that of the outside to that of the radiator, may bedistributed. In Figs. 1536, 1537,1538, and… … Fig. 1542. Fig. 1543. 648 ARCHITECTURAL CONSTRUCTION. Ts, vertical tube radiators with box bases of eifective heating surface, cast-iron radiators of similar design, ornamented and of great variety. Indirect radia-tors, Fig. 1541, in cast-iron withpin or iron projections, andwrought-iron pipes…
Mechanical drawing
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