The ornamental design for the part of polarimeter and refractometer, as shown and described in solid lines.
FIG. 1 is a front and side perspective view;
FIG. 2 is a front view;
FIG. 3 is a back view;
FIG. 4 is a left view;
FIG. 5 is a right view;
FIG. 6 is a top view;
FIG. 7 is a bottom view;
FIG. 8 is a 8-8 cross sectional view; and,
FIG. 9 is a 9-9 cross sectional view.
The broken line showing of structural features is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design.