Device for dividing an angle

Details Device for dividing an angle Device for dividing an angle

1975-06-24

1978-01-17

Martin, Jr., William D.

Geometrical instruments

Miscellaneous

Light direction

G01B 356

Patent

active

040683800

ABSTRACT:
Device for dividing an angle into equal or proportional parts, comprising the surface flattened or not of a right cone, of which the axis is adjustable through the vertex of the angle, on which surface a describing line and a number of lines corresponding to the number of angles into which the angle has to be divided, are or can be provided such that they all pass through a point on said describing line and divide into equal or proportional parts the circular arcs constituted by the planes perpendicular to the cone axis and the surface and lying between the intersection points of these circular arcs and the line most remote from said describing line.

REFERENCES:
patent: 1294935 (1919-02-01), Milliken
patent: 3370354 (1968-02-01), Schiff

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