f Cornish boilers, each 21*5 fret the same time it adds to the safety of the road, especially ries of tubes, B. The latter are of peculiar construction in- long and 5 feet in diameter, placed in boiler rooms off the under high speeds of travel. side, as shown in Fig. 2, to which we refer more… … ful operation for seven years. Each tube, the smoke drift, and contributes something & DE LACY'S STEAM HEATER FOR DWELLINGS, KAFER in fact, is a separate boiler, and each being towards increasing the draft. The experi- fastened by its upper end only, is free to expand and con- ments up to the…
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