I am trying to find a good source for Pyrex laboratory tubing. Basically some place that stocks 10-50mm tubing in some sort of standard lengths (like 12" and 24" lengths"). My standard vendor to buy ...

A CASE of what at first seemed anomalous resonance has been found here in the course of blowing small bulbs on the end of capillary tubes of “Pyrex” brand glass. If a piece of capillary tubing of this ...