William K. Reynolds was proprietor of the William K. Reynolds Apothecary located at 208 Friendship Street, Providence, circa 1867.

He dealt in the usual patent medicines, painter and jewelers supplies, flower seeds, and other diversified items. He was also the proprietor of Reynolds' Bronchial Syrup, Reynolds' Vegetable pills, and a Bartone's lotion.

In 1870 he moved to 354 Friendship Street and after several years became a registered pharmacist.

He remained in business until 1902.

Note: The Bartone's lotion mentioned in this ad may be an error since a Bartine's Lotion has been reported.