Wooden Buret Rack with 12-Buret Capacity Geology_Geology Charts & Models this metal helix lets stairwell-scale

this metal helix lets stairwell-scale wave-propagation experiments amplify the visibility of standing waves

with adjustable slit and draw-out focusing for examining the spectral composition of light sources

Greatly magnified transverse dicot stem model on a mounted base exposes vascular bundle arrangement and primary tissue layers for advanced botany teaching

9 x 4 x 4 inch base

Wooden Buret Rack with 12-Buret Capacity Geology_Geology Charts & Models this metal helix lets stairwell-scaleTwelve slot natural wood buret rack organizes vertical buret storage and simultaneous titration setup in chemistry and analytical laboratory classrooms.