Advanced Direct Vision Spectroscope in Wood Case, Alternate Model Material_Steel Shatter-resistant acrylic burette with a

Shatter-resistant acrylic burette with a PTFE key stopcock and Class B accuracy per DIN ISO 385

and vascular cylinder for plant anatomy and absorption teaching

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

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

Advanced Direct Vision Spectroscope in Wood Case, Alternate Model Material_Steel Shatter-resistant acrylic burette with aWood 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.