RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands this metal wave apparatus pairs

this metal wave apparatus pairs the rotary handle with a degree scale so students can read phase against vertical displacement

Chrome-plated steel wire stand at 5 x 5 x 5 inches supports flasks and beakers above alcohol burners for classroom chemistry demonstrations

this Brownlee-pattern apparatus gives a clean visual proof of the 2:1 stoichiometry of water decomposition

tightened with an Allen wrench for constructing lattice frameworks on laboratory benches

RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands this metal wave apparatus pairsThree primaries (red, blue, green) and three secondaries (cyan, magenta, yellow) sit in 50 x 50mm mounts, supporting both additive and subtractive color demonstrations in optical box setups.