Sodium Chloride (NaCl) Crystal Lattice Model Kit Waves & Oscillation_Wave Motion Adjustable locking hook positions items

Adjustable locking hook positions items 110 mm from the support rod on this suspension clamp

and control strips for a fuller genetic-taste-perception activity

Offering four-decade rotary selection from 0 to 11

Two pith balls suspended on unspun silk from a brass pillar

Two-speed ticker timer kit printing 25 or 40 dots per second on paper tape via carbon discs

Sodium Chloride (NaCl) Crystal Lattice Model Kit Waves & Oscillation_Wave Motion Adjustable locking hook positions itemsSodium chloride lattice kit with 27 color coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions.