US D478018 S1
FIG. 1 is a perspective view of an angular displacement measurement instrument showing my new design,
FIG. 2 is a front elevation thereof,
FIG. 3 is a left side elevation thereof,
FIG. 4 is a right side elevation thereof,
FIG. 5 is a top plan view thereof,
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a rear elevation thereof.
The broken line showing is for illustrative purposes only and forms no part of the claimed design.