Mason Jar?

[lsanderson]

Initially, the jars were handblown and infused with substances like iron oxide and cobalt, producing shades of amber and a hue that Mr. Leybourne calls “Vicks VapoRub blue.” (These jars now fetch up to $30,000 apiece on the collectors’ market.) But, eventually, manufacturers dispensed with the colors in favor of a clear view of the food inside. Moar

Comments

Jars and other things

[animaltofriends.livejournal.com]

I kept a few of those; I also have those glass insulators used on power lines in days past. Very interesting. I collect several kinds of glass. Blue glass, carnival glass, milk glass.