US$ 85.00
supporting three-rope compound arrangements for advanced mechanical-advantage investigations
Borosilicate 3
Needle valve and flame stabilizer deliver fine flame control on this liquid propane Bunsen burner for precision chemistry and biology heating work
a compound unit for demonstrating multi-rope mechanical advantage in physics activities
4-Stroke Gasoline Hand-Crank Engine Model, 13.75" Science at Home_Life Science supporting three-rope compound arrangements forHand cranked 4 stroke gasoline engine model at 13. 75 inches tall with visible crankshaft, camshaft, valves, rocker arms, push rods, and an ignition light that fires on compression.
US$ 85.00
US$ 120.00
US$ 190.00
US$ 102.50