Jolly's Photometer for Optical Bench Subcategory_Power Supplies the optical glass producing undistorted

the optical glass producing undistorted views of specimens

this life-size hanging skeleton model features flexible spine and moveable joints for hands-on skeletal system instruction

and great vessels on a mounted base for cardiology and anatomy teaching

8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction

Jolly's Photometer for Optical Bench Subcategory_Power Supplies the optical glass producing undistortedUsed to compare two light sources by sliding them until both faces of a paraffin block appear equally lit, this Jolly's photometer turns the inverse square law into a measurable observation.