Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal Generates a steady steam bath

Generates a steady steam bath around a sliding thermometer through a 180 by 115mm copper vessel with filling tube

and small diffraction objects in the optical-bench beam path for repeatable interference and diffraction work

MEETS DIN ISO STANDARDS || Conforms with DIN ISO 1773 standards for narrow neck conical flasks

Battery-or-mains low-frequency generator producing sine

Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal Generates a steady steam bathEight color filters cyan, violet, magenta, red, yellow, blue, green, and tri color sit in 2 x 2 inch plastic mounts with 1 x 1. 38 inch apertures for use against a ray box source.