This fermentation vessel comes from a short period in penicillin’s history. We had figured out that penicillin could kill bacteria, but we didn’t know how much medicine people needed or how to mass-produce it. The vessel’s car-muffler shape proved ideal for growing the mold from which penicillin is extracted.
This episode highlights an early-20th-century porcelain painting kit. Porcelain painting became popular after the 1876 Centennial Exhibition in Philadelphia, when women saw porcelain objects from all around the world, including those made by other women. Today porcelain painting is trendy again.