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 a refractive-fluid vessel form the core of this 28-piece geometric optics workstation

One-meter wooden lever graduated in centimeters on a knife-edge fulcrum base

supporting dental hygiene and pathology teaching

or general beverage service at home or the lab

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.