1891 Patent No. 14,993 sand boxes for cars, Henry Fitch Parker, New York

Patent No. 14,993 A.D.1891 Improvements in Sand-Boxes for Cars

"I. Henry fitch Parker of No. 35 Wall Street, New York, County and State of New York, United States of America, Consulting Mining Engineer, 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: My invention is applicable to street or other cars, and is designed for promoting traction in motor-driven cars or for rendering the brakes effectual in horse-cars, and it especially relates to devices to break up and pulverize the sand, if wholly or partially caked, owing to its absorption of moisture and subsequent drying or freezing, and to deliver it positively in measured quantities..."

4 pages of text + 3 drawings which have been disbound from a larger volume.

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