Diffraction Grating Holder for Standard Spectrometer Entomology & Zoology_Zoology Charts & Models Walks students through four-stroke diesel

Walks students through four-stroke diesel operation on a 16-inch hand-cranked model

Free-fall apparatus with an aluminum 47-inch graduated column

Used to extend the curvature-vs-charge-density study to larger geometries

sized to give student bench setups a direct numeric reading without analog parallax

1uF to 1uF in 0

Diffraction Grating Holder for Standard Spectrometer Entomology & Zoology_Zoology Charts & Models Walks students through four-stroke dieselMetal holder with two 0. 125 inch mounting holes spaced 1. 5 inches apart, a pair of 1. 25 inch rods, and a spring loaded clip to grip a diffraction grating on the PH0619 spectrometer.