I found this post and read through it. I thought it was fascinating. The post features drugstores in the 1800's and a bit of history before a license and a pharmaceutical education was required by the government. It's worth the click and time spent reading the article.
Drugstore Museum Show Globes In the past, apothecary
Show Globes were the symbol for pharmacy much like the barber pole was for the
barber. From the early 1880's
until the 1950's most pharmacies would hang or display a show globe to
identify their drugstore.
Inside the show globe the pharmacist would add
colored water by mixing chemicals together to give the globe great beauty. Back
then, every pharmacist had his own special colaration formula to color the water
inside the show globe. they took great pride in creating and showing off their
ability to mix the perfect color. Click here to read more.