4-Stroke Gasoline Hand-Crank Engine Model, 13.75" Science at Home_Life Science Needle valve and flame stabilizer

Needle valve and flame stabilizer deliver fine flame control on this liquid propane Bunsen burner for precision chemistry and biology heating work

supporting three-rope compound arrangements for advanced mechanical-advantage investigations

Cubic 16 by 16 by 16 cm footprint defines this autoclavable polypropylene test tube basket

Borosilicate 3

4-Stroke Gasoline Hand-Crank Engine Model, 13.75" Science at Home_Life Science Needle valve and flame stabilizerHand 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.