Inorganic and Organic Chemistry Molecular Model Set, 65-Piece Metal Labware_Clamps & Bossheads this motor-generator pairs a split-ring

this motor-generator pairs a split-ring commutator against slip rings with bulb indicators

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

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

Built for biology dissection work

Inorganic and Organic Chemistry Molecular Model Set, 65-Piece Metal Labware_Clamps & Bossheads this motor-generator pairs a split-ringSixty five piece molecular model set with 32 atoms and 33 bonds for demonstrating bonding angles, molecular geometry, and structural isomerism in introductory chemistry.