US$ 112.00
Hand-cranked to convert mechanical work into electrostatic energy
237kg hooked masses for measuring spring extension under load and calculating spring constants
Research-grade oxygen spectrum tube at 26cm with a 10cm central capillary
Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work
4-Metal Density Block Set, 2 x 0.5" Lab Supplies_Weights & Masses Hand-cranked to convert mechanical workFour metal block set at 2 by 0. 5 inch dimensions in brass, aluminum, steel, and copper, with identical volumes across specimens for direct mass density comparison.