US$ 90.67
8mm rod attachment and a centered 50mm aperture together hold a lens square against an optical-bench rail for repeatable refraction
Teaches proper brushing technique through a 3x life-size jaw model with gums and oversized toothbrush
Funnel has a 14/23 size socket and includes an interchangeable plastic stopper
giving students a wide reference range for density analysis
sized for visible-time-scale RC charging and capacitor-driven momentary lamp-flash experiments
Solid Chemical Fuel Combustible Gel Formation Demonstration Kit Material_Muslin 8mm rod attachment and aSolid chemical fuel kit demonstrates combustible gel formation through calcium acetate precipitation and hands on chemistry of portable fuel systems.
US$ 90.67
US$ 18.85
US$ 97.56
US$ 715.00
US$ 528.00
US$ 1120.00
US$ 1010.00