Roux type hypodermic syringe, by Oppenheimer and Co. 1890-1910.

Roux type hypodermic syringe, by Oppenheimer son and Co. Syringe, for use with diphtheria antitoxin, glass and nickel-plated brass. London, England, 1890-1910. Leatherette lining, velvet, silk and glass. (Nickel-plated). London, England, 1890-1910.