Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal Platinum resistance thermometer with fine

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

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

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

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

supporting dental hygiene and pathology teaching

Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal Platinum resistance thermometer with fineEight 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.