Analysis lamp, particularly for the examination of precious ston

Details Analysis lamp, particularly for the examination of precious ston Analysis lamp, particularly for the examination of precious ston

1975-02-21

1976-04-13

McGraw, Vincent P.

Optics: measuring and testing

For optical fiber or waveguide inspection

240 218, 240103R, 356 30, 356 51, G01N 2104

Patent

active

039501027

ABSTRACT:
An analysis lamp, particularly for the examination of precious stones, with at least one daylight source and at least one UV light source, the observation planes for the light emitted by the daylight source and by the UV source being spatially separated from one another.

REFERENCES:
patent: 2104079 (1938-01-01), Kahn
patent: 3431409 (1969-03-01), Richter et al.

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