Inventors:
Amir U. Khan - Islamabad, PK
Habib U. Khan - Maumee OH
Ahamed A. Amid - Gahanna OH
International Classification:
G01B 308
Abstract:
A straight edge comprising a plurality of longitudinal members that are positioned together in slidably telescoping relationship. At least one longitudinal edge of the members forms a substantially straight edge throughout the telescoping range of the longitudinal members. The extended members preferrably are marked with graduations along the straight edge.