Pyrex Primary Colors Round Graduated Mixing Bowls - Set of Four and the mark 15RT

and the mark 15RT

The shift lock key is missing

Suburban Elks

the date of founding of the company

Pyrex Primary Colors Round Graduated Mixing Bowls - Set of Four and the mark 15RTHere is a set of beautiful Pyrex mixing bowls from the 1950s known as the "Primary Colors" or 400 series. The set includes one blue, one red, one green and one yellow bowl. These are quintessential vintage Pyrex. They are in mostly good condition, but do show wear from years of use and improper washing. These were workhorses once upon a time and have been exposed to electric mixers and dishwashers. Please see the photographs for a detailed look at the