Advanced Direct Vision Spectroscope in Wood Case, Alternate Model Material_Steel hand-cranked so students trace how

hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection

adjustable from 0 to 45 degrees with an alignable pulley and included pan and roller

Handmade wooden spice rack holds twelve 6-inch borosilicate glass test tubes with caps and includes a filling funnel for kitchen-to-lab cross-over gifting

Square die-cast alloy boss head with metal thumbscrews

6oz each in a 4-pack for chemistry-themed home entertaining and science enthusiast gifting

Advanced Direct Vision Spectroscope in Wood Case, Alternate Model Material_Steel hand-cranked so students trace howWood cased direct vision spectroscope built around a 3 element prism stack, with adjustable slit and draw out focusing for examining the spectral composition of light sources.