Horsford's acid phosphate for mental & physical exhaustion, dyspepsia & c. : it makes a delicious drink with water & sugar only / Rumford Chemical Works.

Advertising card for Rumford Chemical Works' Horsford's Acid Phosphate, prepared to the directions of Prof. E.N. Horsford of Cambridge, Mass. for indigestion, headache, night sweats of consumption, exhaustion, nervousness and hysteria. The front shows a portrait of a young woman with curly blond hair wearing a frilly cap and dress (white with red stripes and blue ribbons). She is wearing a string of pearls bearing letters spelling out: Rumford Yeast Powder. The background is black with red lettering graded to pink.