Aluminum Plotting Compass, 2" Diameter Base_Octagonal letting students vary the moment

letting students vary the moment arm distances on either side and find the balance point for any combination of masses

and troubleshooting exercises

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

Lamp-house assembly dimensioned as the matched replacement unit for optical bench and light-source apparatus when the original housing reaches end of life

outfitting classroom stations for sample transfer and dispensing

Aluminum Plotting Compass, 2" Diameter Base_Octagonal letting students vary the momentGlass faced plotting compass in an aluminum case with a dial marked in principal points, used to map field lines around bar magnets and solenoids.