US$ 144.97
vertical graduated tube
with adjustable slit and draw-out focusing for examining the spectral composition of light sources
Base-mounted 2-stroke diesel engine model in aluminum and plastic
and strings for equilibrium and vector experiments
visualizing the relationship between local motion and seismic recording for geology lessons
Premium Monocot Stem Model with Transverse Section, on Base Entomology & Zoology_Dissection vertical graduated tubeGreatly magnified transverse monocot stem section on a mounted base exposes scattered vascular bundle layout for advanced plant anatomy coursework.