Jolly's Photometer for Optical Bench Subcategory_Power Supplies Built to grip round flasks

Built to grip round flasks and condensers during distillation or reflux

illustrating the high-ratio speed reduction and self-locking action of worm gearing

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

this advanced ripple tank ships with vibration generator

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

Jolly's Photometer for Optical Bench Subcategory_Power Supplies Built to grip round flasksUsed 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.