Reverin Dry Ampoule The white cardboard box houses a single ampoule of dry Rolitetracycline, an antibacterial medication. The yellow paper label provides details about the medicine’s ingredients, the pharmaceutical company, and the expiry date (30.06.1959). The label, written in German, reads: “1 dry ampoule Reverin for intravenous injection. Pyrrolidino-methyl-tetracycline 275 mg, equivalent to 250mg Tetracycline-HCl, with 1 ampoule of 10 cc double-distilled water for injection. Composition: Pyrrolidino-methyl-tetracycline 275mg, buffered with Magnesium gluconate and citric acid. Usable until: 30.06.59. Farbwerke Hoechst AG, formerly Meister Lucius & Brüning, Frankfurt (M)-Hoechst.” Reverin was typically administered as a potent intravenous antibiotic. 1925-1975