Here are a variety of Penslar bottles, ranging in size from the smallest at 4 1/4" tall (2 fl. oz. size) to the tallest, at 8" tall (16 oz. size). The Penslar company made a variety of products, from kidney pills to ladies toiletries. Penslar was a brand used by the Peninsular Chemical Co. of Detroit, Michigan, with an additional plant in Walkerville, Ontario. The company apparently ran from 1907 to 1965.
