New York City 1913 Eisner Mendelson Hercules Aperient Water Letterhead 8.5 x 11

This 1913 Eisner Mendelson Co. letterhead from New York City promotes Hercules Aperient Water, a widely marketed mineral laxative positioned within the early twentieth-century patent medicine trade.

At the time, American consumers were inundated with therapeutic waters, tonics, and aperients that promised relief from digestive and internal complaints. Imported mineral waters such as Hercules were framed as both scientific and European in origin, leveraging branding, typography, and illustrated bottle imagery to convey legitimacy. Before stricter federal regulation reshaped medical advertising, firms frequently described broad curative claims for conditions ranging from liver disorders to chronic constipation.

The October 16, 1913 typed letter is addressed to a customer in Reading, Pennsylvania and includes a large engraved Eisner Mendelson Co. masthead with cable address and West Street, New York location. A detailed bottle illustration appears at left with bold red label reading Best Hungarian Aperient Water Hercules. The text outlines a promotional offer and extols the product’s medicinal benefits. Paper measures 8.5 x 11 inches and presents as an original single-page business correspondence sheet from the patent medicine era.

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