Laboratory glassware, open ended tube with ground glass cone, cone has groove for O-ring; made in England by W. Edwards and Co. Ltd, 1952-80. Object has the trademark “Circseal”, the letters “Px” and the cone size “B.19.”, all in red. Above the trademark is an unclear inscription “B.S. 572” and below is the inscription “HARD”.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 2025-1954
- Materials:
- glass
- type:
- laboratory glassware
