t- Southshore, Blackpool, Lancaster County, England. construction and principle of action are such that it able distance above the flooringof each story, and con- Beneath the level of the pavement is placed a box with will not stick on its seat. The spiral action of the steam, sist of a double… … field of operation which might be largely extended to soon as the elevator leaves a floor, ascending, the indi- WOBTHINGTON'S SEWEB VENTILATOB. the great advantage of our citizens."—The Sanitary cator " up," on the floor above, shows that the eleva- News. tor is going up, and remains in this…
Patents · Munn · Contained · Scientific American · Center · Hot air · Cubic feet · Horse power · American supplement · Wire cloth · Movable cylinder · Coal dust · Electric light · Gases inclosed
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