​Massive glass PYREX vessel found at an estate sale

Came across this huge glass PYTEX vessel. Measures 12”x12”x24” | 305x305x610 mm. Searches are extremely vague. The only lead I have so far is it might have something to do with chromatography but most similarity shaped vessels are a fraction of this size. Glass is slightly wavy and has a few bubbles on it which has me thinking it could be from the 30s or 40s but that’s just a guess. Any ideas?!

submitted by /u/TA305
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