1. to modify set to try Michael International Centre rose Mignon meter for finding refraction index of the liquid without adjusting the mirror, but it will move the liquid cell replacement can be made.
1. Modified series of experiments Michelson International Foro meter for determining the refractive index of the liquid without adjustable mirror, but instead moves the fluid cell can be realized.
1. Modification, a series of experiments Michelson the photo โรมิ filter for the determination of the refractive index of liquids by adjust the mirror but will move the cell liquid instead of can.