The ornamental design for an instrument, as shown and described.
Cross reference is made to copending U.S. design patent application Ser. No. 29/717,226 entitled “Instrument” by Roehm et al., which was filed on even date herewith.
FIG. 1 is a perspective view of an instrument showing our new design;
FIG. 2 is a front side elevational view of the instrument of FIG. 1;
FIG. 3 is a rear side elevational view of the instrument of FIG. 1;
FIG. 4 is a right side elevational view of the instrument of FIG. 1;
FIG. 5 is a left side elevational view of the instrument of FIG. 1;
FIG. 6 is a top plan view of the instrument of FIG. 1; and,
FIG. 7 is a bottom plan view of the instrument of FIG. 1.
The broken lines shown in the drawings illustrate portions of the instrument that form no part of the claimed design.