Burette, Acrylic, 50mL - Class B - 0.5mL Blue Graduations - With PTFE Key Stopcock Category_Science Gifts Needle valve and flame stabilizer

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

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

Reproduces Ewald von Kleist's 1745 charge-storage device with concentric metal cups around a plastic dielectric

Eight-inch external probe on a 36-inch cord on this handheld digital thermometer

and measuring powders and granules

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