US$ 75.00
6 armatures
fastened by two wide-pad stainless steel thumb screws under heavy torsional load
the 90-45-45-degree faces redirecting wider beams for total internal reflection and image-inversion work
and steel cubes machined to the same 1
Demonstration Spherometer Subcategory_Weights and Masses 6 armaturesDemonstration spherometer with an oversized 133 mm dial head and baked enamel finish, letting an entire classroom read spherometer values before students work with benchtop units.
US$ 75.00
US$ 15.00
US$ 300.00
US$ 125.00
US$ 36.00