The colour difference between American and European Pyrex : r
The colour difference between American and European Pyrex : r
PYREX R 444, Trademark. 4 QT. Made in U.S.A. Ovenware. Size 6high, 13wide. Color Brown Designs.
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What is the difference between the two blues? I did read somewhere that if it is not number (401, 402 etc) and the bowl itself it thicker it is from the 1940's.