Prisms, Optically worked for Spectrometers, equilateral two face polished, 25 × 25 mm
Prisms, Optically worked for Spectrometers, equilateral two face polished, 25 × 25 mm
height
Nature of Glass R.I. Approx.
a) Borosilicate Crown Glass 1.51
b) Dense Flint Glass 1.62
c) Extra Dense Flint Glass 1.65
d) Double Extra Dense Flint 1.71-1.74
