US$ 179.50
Can be passed around the classroom for hands-on learning
Compact 2mm-plug connecting lead in the small-scale lead family
and left hemisphere
Borosilicate glass U-tube manometer with a built-in stopcock mounted on a back-plate 80-0-80 scale at 2mm subdivisions
LED Ray Box with Slit Plates and Concave Lens, Battery-Operated Material_Nylon Can be passed around theRugged ABS molded enclosure houses cool running LED optics across seven accessory grooves, supplied with two slit plates, two blanks, and a concave lens for ray tracing studies.
US$ 179.50
US$ 258.92
US$ 149.50
US$ 51.76
US$ 121.36
US$ 103.08
US$ 139.65
US$ 65.37