the mercuric sulphocyanide in the chlo- The engraving shows a new plan of propelling tioned for the extension of a patent granted to him rides. boats with oars. They " Perhaps I may be are so fixed that the excused for adding that rower faces the bow, and sulphocyanide of ammo- is able to direct… … the Scientific American phide of carbon yields, SMITH'S BIGGED OAES. Patent Agency, Sept. 12, by this process, exactly 1865, by K. Smith; a working model may be seen by one ounce of sulphocyanide of ammonium." on the 23d day of March, 1852, and reissued the 11th applying to him at No. 189 Front…
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