Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal or general beverage service at

or general beverage service at home or the lab

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

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

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

Ten-pack of 16mm steel ball bearings sized as a larger projectile for ramp experiments

Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal or general beverage service atEight 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.