Trade card for Horsfords Acid Phosphate, Rumford Chemical Works, 58, 59, & 60 South Water Street, Providence, Rhode Island, undated
Description:
The product is for treating mental and physical exhaustion and dyspepsia. The text on the verso reads "Prepared according to the directions of Prof. E.N. Horsford of Cambridge, Mass." The product is available from J.L. Bennett, druggist, 3004 Fifty-third Street, Hyde Park, New York. In the illustration a little girl wears a cap in colors of blue, grey and white.