Wave Form Helix, 4" Closed Subject_Chemistry Manually-operated seismograph model that traces

Manually-operated seismograph model that traces shock waves onto a pulled paper strip

Hand-painted male pelvis model exposes the narrower male-specific proportions and pelvic inlet shape compared to the female pelvis for sex-difference anatomy teaching

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

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

Eight 15 x 10 x 10cm pinhole boxes

Wave Form Helix, 4" Closed Subject_Chemistry Manually-operated seismograph model that tracesEngineered 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.