The ornamental design for a rack for supporting laboratory apparatus, as shown and described.
FIG. 1 is a perspective view of a rack for supporting laboratory apparatus showing our new design;
FIG. 2 is a front view of a rack for supporting laboratory apparatus shown in FIG. 1;
FIG. 3 is a back view of a rack for supporting laboratory apparatus shown in FIG. 1
FIG. 4 is a side elevation of one end of a rack for supporting laboratory apparatus shown in FIG. 1
FIG. 5 is a side elevation of the other end of a rack for supporting laboratory apparatus shown in FIG. 1
FIG. 6 is a top view of a rack for supporting laboratory apparatus shown in FIG. 1; and,
FIG. 7 is a bottom view of a rack for supporting laboratory apparatus shown in FIG. 1.
The broken lines shown are included for the purpose of illustrating a portion of the rack for supporting laboratory apparatus that forms no part of the claimed design.