RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands holding under at least 100

holding under at least 100 Newtons of separation force after hand-evacuation of the air between them

Rotary-knob resistance substitution board offering twelve discrete values from 33 ohms to 10M ohms with 4mm lead connections

these plastic forceps provide precision grip for specimen manipulation without damaging delicate tissues or structures

Speed-controlled 6V motor driving two cams pumps four spring-mass systems at any chosen frequency

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

RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands holding under at least 100Three 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.