done by gradually diminishing the diameters —_——-—~- @- eo __—__ horizontal sections, in combination with a larger size leads from the said box into a A bill is now before the New York Legis- from those nearest the fire-hox or furnace to series of descending flues, by means of which lature, making… … form of the lower part of the fire-box being those most remote from it, (as shown in fig. retained. The combustion chamber commu- uniform size. hicates through a number of descending flues In fig. 2 itis shown that the flue or tube or tubes, I J, with a lower chamber, C, which plates, N N, incline…
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