VINTAGE NOS box 3 ct. Perfect Co. 5" laboratory Pyrex rimmed test tubes 513B

Description

High-quality vintage US-made Pyrex. Sale is per one Factory box of three (3) tubes. Generally the workmanship on this older stuff is better than modern glass; these are so old the suggested price for three was 45 cents! These tubes are 1/2" at the opening diameter.
Boxes are old and may show shelf wear or deterioration.