|Scope & Content||Envelope from The Standard Flint Glass Works, factory and office, 1126 & 1128 Charlotte Street, Philadelphia. Postmarked Sep. 18, 1890. The back of the envelope has two images of vials, with advertising: "Manufacturer of druggists', chemists' and scientific glassware. Glass tubing of all kinds. Glass apparatus for philosophical purposes. Homoeopathic and screw cap vials. Glass & screw cap syringes, chemical ware, specialties in fine glass blowing. Wm. Kuemmerle, Jr., Propr."|
Kuemmerle, William, Jr.