Diffraction Grating Kit, Alternate Model - Visual Scientifics Subcategory_Eye Protection and iron bobs

and iron bobs

Plated spring arm with press knob and a single contact stud

this stainless steel one-meter ruler carries stamped centimeter and millimeter graduations along its length

laminated iron core

Proves horizontal velocity does not affect vertical fall time through a push-button launcher that simultaneously projects one steel ball and releases another

Diffraction Grating Kit, Alternate Model - Visual Scientifics Subcategory_Eye Protection and iron bobsAlternate pattern diffraction kit with laser, slide holder, 500 and 1000 lines mm gratings, and two posts, the parallel SKU twin of PHVSDSE for spectrometer and wave duality investigations.