a. MAOIO LANTERNS tf ANI£I>.| nm WHAT SHALL BE DONE WITH THE Sewage?—A paper by A. N. Bell, read before the Mary-land Sanitary Convention, Nov. 28,188S, giving a descrip-tion of the various systems of sewage disposal now muse. Contained in Scientific American Sttppi-e-MBNT,No. 435. Irice… … WITIIERBY, RU«a & RICHAaDSON. Manufacturersof Patent \\ ood Working Machinery of every descrip-tion. Facilities unsurpassed. Shop formerly occupiedby R. Bail & Co.. Worcester. Mass. Send for Catalogue. MANGANESE BRONZE.—A PAPER BY M. P. Parsons, C.E., giving a brief history of…
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