Optics: measuring and testing – For light transmission or absorption
Patent
1992-02-27
1993-06-22
Rosenberger, Richard A.
Optics: measuring and testing
For light transmission or absorption
356440, G01N 2159
Patent
active
052219615
ABSTRACT:
A biaxial photometer, comprising a mainframe having an optical system secured thereto at one end by a rotary shaft for holding a horizontal sample holder when it is rotated to a horizontal position, or a vertical sample holder when it is rotated to a vertical position. Sample test tube can be inserted in the horizontal sample holder or the vertical sample holder and disposed in a horizontal or vertical position in the passage of the light beam emitted from the optical system for making an assay horizontally or vertically as desired.
REFERENCES:
patent: 3995960 (1976-12-01), Fletcher et al.
patent: 4038982 (1977-08-01), Burke et al.
patent: 4041502 (1977-09-01), Williams et al.
patent: 5146294 (1992-09-01), Grisar et al.
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