US$ 36.00
the slightly wider apex stepping deviation up from the 5° wedge while keeping the thin-prism form factor
25-inch gear train simple-machine model arrives ready to use with no assembly required
Steeply curved concave glass mirror at 50mm aperture and 75mm focal length
and Lucite dielectrics for studies of capacitance
Rectangular Refraction Glass Block, 125 x 65 x 18mm Lab Supplies_Spring Scales the slightly wider apex steppingLong format 125 by 65 by 18mm glass rectangular refraction block, the longest working face in the line stretching beam travel for class front lateral displacement demos.
US$ 36.00
US$ 99.99
US$ 179.99