Demonstration Balance - Hooked Weights - Spring Scale - Halls Cart Home Science Tools Package Demonstration Balance: Designed to show principles of mass, force, and leverage by moving hanging masses along the half-meter beam to equalize forces. Also can be used as a simple balance by hanging plastic plates or bowls from the stick. Grades K - 12 Hooked Weights: Plastic containers filled with lead shot.
DESCRIPTION: USED, MACHINE SHOP MADE, PARALLELS. THE SETS MEASURE: 4 1/2 X 1/4 X 7/16H; 4 1/4 X 3/8 X 1/2; 5 15/16 X 3/8 X 7/8; 7 5/8 X 9/32 X 9/16; 5 7/8X 1/4 X 5/8H AND 4 3/16 X 3/8 X 7/8H APPROX. THERE ARE A COUPLE SMALL SPOTS OF RUST.
Electron beam display for oscillograph 3LO1I + socket Heater voltage ................................................... 5,7 ... 6,9V 2nd anode voltage ................................................
The current item is clear borosilicate glass plates with coefficient of thermal expansion of 3.3 x 10^-6 /°C. Dimension: 150 mm x 150 mm x 5 mm. Other borosilicate glass rods, tubing, discs and plates are available.
The current item is clear borosilicate glass discs with coefficient of thermal expansion of 3.3 x 10^-6 /°C. Dimension: ? 150 mm x 5 mm Other borosilicate glass rods, tubing, discs and plates are available.
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