US$ 209.99
this compact insulated wire keeps color-coded wiring intact when student work shifts to small-scale breadboarded circuits
Metal 82mm-diameter disc on a 6mm mounting rod
producing water jets of varying distances to show how pressure increases with depth in hydrostatics
Reel of 30 SWG bare copper wire totaling about 1150 feet by mass
Double Concave Glass Lens, 50mm Diameter, 150mm Focal Length Stock Type_Stocked this compact insulated wire keepsPairs 50mm of aperture with a 150mm focal length on a double concave glass lens at ~5. 5mm thick, the diverging curvature spreading light gently for virtual image formation.