Two dimensional vernier

Details Two dimensional vernier Two dimensional vernier

1991-01-14

1992-01-28

Cuchlinski, Jr., William A.

Geometrical instruments

Apparel

Stand supported

33 15D, 33520, 33644, G01B 502

Patent

active

050833782

ABSTRACT:
A two-dimension vernier scale utilizing a cartesian grid on one plate member with a polar grid on an overlying transparent plate member. The polar grid has multiple concentric circles at a fractional spacing of the spacing of the cartesian grid lines. By locating the center of the polar grid on a location on the cartesian grid, interpolation can be made of both the X and Y fractional relationship to the cartesian grid by noting which circles coincide with a cartesian grid line for the X and Y direction.

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