SPECTROMETER PRISM

ALN-037                                               (i)
 A             Crown Glass
                 R.I. 1.51
 B             25x25MM
 C             32x32MM
 D            38x38MM
 (ii)                           (iii)
 Dense Flint          Extra Dense Flint
  R.I. 1.65              R.I. 1.65
  25x25MM           25x25MM
  32x32MM           32x32MM