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Scientific American, Vol. 63, No. 3 (July 1890) (1890)

leaf 7

An illustration from Scientific American, Vol. 63, No. 3 (July 1890), 1890, leaf 7
e circulating pipes will be connected with differ- means of elastic tubing and spray jets to the desks or Boston, Mass., or in care of Robertson & James, bank- ent buildings and apartments by branch circuit pipes, tables of occupants of the different apartments, where- ers, No. 7 Nassau Street, New… … effected by setting THE MoLEOD HEATER AND RADIATOR PIPE the dial of the ther- CONNECTIONS. THE McLEOD SUBWAY CONDUIT SYSTEM © 1890 SCIENTIFIC AMERICAN, INC.

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