Pyrex test tube.
- Made:
- 1922-1975 in Wear Glass Works
Test tube, Pyrex test tube, made by James A Jobling & Co Ltd., Sunderland, England, 1922-1975. The tube features the 'PYREX' trade mark stamped in green lettering with the words 'MADE IN ENGLAND' written around it in a circle and the JP monogram above and below .