1940’s Red and Yellow Primary Pyrex Bowls

The image shows a set of vintage Pyrex Primary Colors mixing bowls, specifically featuring the red and yellow bowls, which are part of a classic collection known for their vibrant hues and clear glass bottoms. These iconic bowls were first introduced in the 1940s and were later rereleased in the 1980s. They are made of durable borosilicate glass, known for its heat resistance, making them suitable for mixing, baking, and serving. Collectors often seek out complete sets, which originally included yellow, green, red, and blue bowls in various sizes. The bowls in the image are likely part of a set where the red bowl is typically the 2.5-liter size (No. 325) and the yellow bowl is the 1.5-liter size (No. 323).