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The Steam Frigate Merrimac
�titntifit �mtritan. unfiltered. This is a very simple, cheap, an d I w. D. Andrews, of this city, exhibits a new thorough filter. For engraving and descrip-centrifugal pump, which throws a very large tion, see SCIENTIFIC AMERICAN, Volume 11, quantity of water, and works extremely well. therein, and the qnantity fed is always under the eye of the attendant, and subject to his control. The 'invention is highly spoken of. Information Respecting the Mannfacture of Iron nnd Steel. The New Yorkdoi:10.1038/scientificamerican11081856-70o fatcat:6ns7yhpptfaald7yb362n5xjrm