Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal MEETS DIN ISO STANDARDS ||

MEETS DIN ISO STANDARDS || Conforms with DIN ISO 1773 standards for narrow neck conical flasks

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

Generates a steady steam bath around a sliding thermometer through a 180 by 115mm copper vessel with filling tube

Battery-or-mains low-frequency generator producing sine

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

Mounted Color Filter Set, 7 Monochromatic + 1 Tri-Color Base_Octagonal MEETS DIN ISO STANDARDS ||Eight 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.