Heavy Duty Rectangular Retort Base and 19.8" Rod Set, 6 x 4" Entomology & Zoology_Dissection paired with a compound microscope

paired with a compound microscope to watch smoke particles jostle under molecular impacts

5-inch optical lens set with three double-convex and three double-concave lenses at 200mm

providing a battery-powered DC alternative for circuit and experimental apparatus setups

1 gram accuracy on this portable electronic balance

Tubing outlet measures 1

Heavy Duty Rectangular Retort Base and 19.8" Rod Set, 6 x 4" Entomology & Zoology_Dissection paired with a compound microscopeHeavy duty 6 by 4 inch powder coated steel retort base weighing 4 pounds, paired with a 19. 8 inch steel rod for weighted support of small scale laboratory clamp assemblies.