Round Convex Glass Mirror, 50mm Diameter, 200mm Focal Length Human Anatomy_Human Anatomy Models Selected through four rotary-switch decades

Selected through four rotary-switch decades from 0 to 11

and a dual-scale screen

exposing the longitudinal and transverse components of wave motion mechanically

Demonstrates the full light-to-electricity-to-motion chain through a solar cell

this nickel-plated steel set covers a full C-major scale at scientific pitch (C4 = 256Hz) in a 6

Round Convex Glass Mirror, 50mm Diameter, 200mm Focal Length Human Anatomy_Human Anatomy Models Selected through four rotary-switch decadesPairs 50mm of aperture with a 200mm focal length on a convex glass surface, the longer focal value yielding milder divergence for subtler virtual image reduction in optics work.