"Wards"

Mounted polaroid sheets.

Individual spherical glass lenses.

Premium line of glass lenses designed specifically for Universities.

Premium line of glass lenses designed specifically for Universities.

Designed to study and demonstrate Snell's Law of Refraction.

Designed to study and demonstrate Snell's Law of Refraction.

Used to demonstrate the inverse square law.

Individual round glass lenses made with high optical purity glass.

Lens holder for 50 mm lenses or mirrors for use with Eisco Optical Bench.