Simple manipulator for rotating spheres.
We describe a simple device for rapidly rotating a small sphere to any orientation for inspection of the surface. The ball is held between two small, flat surfaces and rolls as the surfaces are moved differentially parallel to one another.
Weinstein
B W
BW
University of California, Lawrence Livermore Laboratory, Livermore, California 94550.
Hendricks
C D
CD
Ward
C M
CM
Willenborg
D L
DL