White Screen for Optical Bench, 100 x 100mm Light & Optics_Color Plastic-bodied wave apparatus with eccentric

Plastic-bodied wave apparatus with eccentric discs that drive metal rods up and down as the handle turns

and intestine anatomy in teaching position

Finest 32 SWG bare copper wire in the line on a 250g reel approximating 1500 feet

Rod-mounted full-size skeleton pairs bare bone on one side with painted muscle origins and insertions on the other for skeletal and myology teaching

White Screen for Optical Bench, 100 x 100mm Light & Optics_Color Plastic-bodied wave apparatus with eccentricMatte white painted screen 100 x 100mm in size, designed to receive real images projected by lenses and concave mirrors during focal length and magnification experiments on the optical bench.