Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal and a refractive-fluid vessel form

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

Used to determine the wavelength of light and refractive index

Platinum resistance thermometer with fine platinum wire wound non-inductively on a mica frame and soldered to copper leads

supporting dental hygiene and pathology teaching

sized for fine-pitch breadboard work where 4mm hardware is too large for the apparatus

Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal and a refractive-fluid vessel formEight 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.