. forming passages through the dome; Qis a of any return or current. It may be employed short iron cylinder fitting and resting on the in any tidal water, and is particularly well Figure 1. plate, P, and running up to the same height as adapted for use in harbors and docks, for the cylinders A & G,… … vented by F.C. Goffin, of New York City, cated by arrows. The air to be heated pass- who has taken measures to secure a patent. The accompanying engravings represent a readed alluded to in fig. 1,to which the chain, es through openings, r, in the base platie, then In this improvement the cross bar…
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