Transparent Aerosol Can
Transparent aerosol cans for products used daily – shaving cream, toothpaste, insect sprays – so you could tell when they are about to get empty.
by Mrs. R.J.Carpenter, Glenshaw, Pa.
April 1963
I’m not sure about transparent aerosol cans but you can get transparent spray bottles, such as this one on Amazon. (affiliate link)
