Wave Form Helix, 4" Closed Subject_Chemistry Eight 15 x 10 x

Eight 15 x 10 x 10cm pinhole boxes

the optical-grade crown body producing low-dispersion baseline measurements in refraction comparison studies

Four-times enlarged premium ear model with five separable sections exposes detailed outer

Wall-mountable beech wood draining rack measures 20 x 20 inches and holds up to 90 pieces of labware inverted for post-wash drying in chemistry labs

designed for image-formation and focal-length investigation

Wave Form Helix, 4" Closed Subject_Chemistry Eight 15 x 10 xEngineered with a higher spring constant than a classic coiled novelty spring, this metal wave helix demonstrates pulse propagation, Hooke's Law, and energy transfer in a compression wave.