US$ 64.99
19-inch clear slots
motion studies
Built on a leveled cast-iron base with a dual-angle polymer top
Spring-clipped metal frame on a mounting rod grips gratings
these concavity microscope slides hold liquid samples for hanging-drop preparations and observation of specimens in suspension
Aluminum Plotting Compass, 2" Diameter Prong_3 19-inch clear slotsGlass faced plotting compass in an aluminum case with a dial marked in principal points, used to map field lines around bar magnets and solenoids.
US$ 64.99
US$ 34.95
US$ 100.00
US$ 25.00
US$ 475.00
US$ 34.95