Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal sized for fine-pitch breadboard work

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

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

Battery-or-mains low-frequency generator producing sine

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

Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal sized for fine-pitch breadboard workEight 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.