RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands Speed-controlled 6V motor driving two

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

and physics principles in classroom investigations

75-inch height range for bench apparatus

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

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

RGB/CMY Mounted Color Filter Set, 50 x 50mm, 6-Piece Racks & Stands_Flask Stands Speed-controlled 6V motor driving twoThree 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.