1890 Patent No. 16,686 feed-water for steam boilers, Frank Gridley Fowler, USA

Patent No. 16,686 A.D.1890 Improvements in and relating to the Mode of nd Apparatus for Preparing the Feed-water for Steam Boilers

"I, Frank Gridley Fowler, a Citizen of the United States, residing at 82 Prospect Street, in the City of Bridgeport, County of Fairfield, and State of Connecticut, one of the United States of America, Gentleman, do hereby declare the nature of this invention and in what manner the same is to be performed, to be particularly described and ascertained in and by the following statement: The primary object of my invention is to prevent the explosion, corrosionm, scaling,or priming of steam boilers, either or all.  My invention is founded upon discoveries the nature of which I will first explain..."

4 pages of text + 1 drawing which have been disbound from a larger volume.

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