Brass Specific Gravity Cylinder with Hook Geology_Geology Charts & Models the moderate-resistance moderate-current option in

the moderate-resistance moderate-current option in the compact-tube rheostat line

constant-bore gradient tube

and one 10 gram discs to total 250 grams for fine-grained physics force and balance experiments

Square-topped wooden screw simple-machine model with a leverage block

25-inch base raises a magnetic needle to a 4

Brass Specific Gravity Cylinder with Hook Geology_Geology Charts & Models the moderate-resistance moderate-current option inBrass 2 by 0. 5 inch specific gravity cylinder with a top hook for spring scale massing, a mid density reference for comparative experiments alongside the copper and aluminum cylinders.