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For sale is a high-quality, vintage standard taper ground glass joint adapter made by the legendary custom scientific glassblowers H. S. Martin & Co. (stamped Evanston, ILL).
Joint Size: $ 40/50 Outer (Female) Joint
Features: Includes dual glass side hooks for spring-loaded tension clips or rubber bands. Straight, open-tube bottom.Total Length: Approx. 5.5" to 6"
Condition: Excellent vintage lab condition. The red manufacturer stamp and joint sizing are clear and legible. No cracks, major chips, or heavy scoring on the ground glass. Both glass hooks are fully intact. Cleaned and ready for use or collection.
Please review pictures for any specifics
