Closed Retort Ring with Stem, 3" ID, Plated Mild Steel Glassware_Glass Flasks The item measures 21" in

The item measures 21" in height when positioned upright and is designed with a PTFE key stopcock that allows optimal control of flow when working with liquids in the lab

conservation of energy

the second universal-logic gate that complements the NAND for any digital-circuit construction

electroplating

Heavy-duty die-cast alloy boss head with a painted gray finish and two adjustable thumbscrews

Closed Retort Ring with Stem, 3" ID, Plated Mild Steel Glassware_Glass Flasks The item measures 21" inThree inch inner diameter supports beakers and funnels on this plated mild steel closed retort ring, fitted with a 5. 5 inch stem for mounting on a standard retort stand.