Advanced Direct Vision Spectroscope in Wood Case, Alternate Model Material_Steel Square die-cast alloy boss head

Square die-cast alloy boss head with metal thumbscrews

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

Half-size digestive system model fits smaller class benches while preserving the full esophagus-to-rectum path and accessory organ anatomy in two removable parts

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

Life-size human skeleton model features flexible spine

Advanced Direct Vision Spectroscope in Wood Case, Alternate Model Material_Steel Square die-cast alloy boss headWood 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.