US$ 84.00
5 by 2 inch metal frame with a centered 2-inch wheel and one hook
laboratories
the 90-45-45-degree geometry serving as a precision turning element for total internal reflection and beam-redirection in introductory optics
Polypropylene pipette stand accepts 28 pipettes with adjustable spacing to accommodate varied diameters in organized bench-top storage
and commutator assemblies for direct observation of each component
Hand-Crank Centrifuge, 4 Tubes Subject_Physical Science 5 by 2 inch metalHand cranked for field use and low cost classrooms, this die cast single speed centrifuge spins four 15 mL tubes for basic demonstrations of centrifugal separation.
US$ 84.00
US$ 46.00
US$ 200.00
US$ 15.00
US$ 13.00