US$ 247.50
with a (Br) marking visible on one face for easy identification
this analog DC microammeter measures 0-100uA at 2uA resolution on a tabletop housing
a 125 by 65 by 18mm acrylic rectangular block with beveled edges widens the visible refraction shift in Snell's law setups
and troubleshooting exercises
brain anatomy
Hartley's Rotatable Optical Disc Material_Muslin with a (Br) marking visible230mm disc graduated 0 360 degrees in 1 degree steps locks in any position alongside a rotatable lamp house and six magnetic acrylic elements for full ray tracing studies of reflection and refraction.
US$ 247.50
US$ 35.00
US$ 275.00
US$ 150.00
US$ 270.00