2-Pack Plain Stem 60-Degree Filter Funnels, 150mm, Borosilicate Glass classroom Classroom-size 29x39-inch pH color chart

Classroom-size 29x39-inch pH color chart on tear-resistant polyart plastic with a roller fitted for hanging and storage

1% accuracy on double silk-covered constantan windings

designed to receive real images projected by lenses and concave mirrors during focal-length and magnification experiments on the optical bench

Trigonometry puzzle kit in wooden blocks demonstrating sine

Torque demonstration kit pairing a 1000g mass set

2-Pack Plain Stem 60-Degree Filter Funnels, 150mm, Borosilicate Glass classroom Classroom-size 29x39-inch pH color chartPack of 2 heavy duty filter funnels measure 150mm with 60 degree angle and plain stems for chemistry filtration and separation procedures.