Burette, Acrylic, 50mL - Class B - 0.5mL Blue Graduations - With PTFE Key Stopcock Category_Science Gifts 25-inch Atwood machine with two

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

and measuring powders and granules

the unit also runs as a motor on 6-8V DC for energy conversion demos

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work

Four-metal cylinder set at identical 1

Burette, Acrylic, 50mL - Class B - 0.5mL Blue Graduations - With PTFE Key Stopcock Category_Science Gifts 25-inch Atwood machine with twoShatter resistant acrylic burette with a PTFE key stopcock and Class B accuracy per DIN ISO 385, compatible with dilute acids, bases, and aqueous titrants.