Optics: measuring and testing – By inspection with agitation or rotation
Patent
1979-12-20
1981-03-03
Rosenberger, R. A.
Optics: measuring and testing
By inspection with agitation or rotation
356432, G01N 2184
Patent
active
042537673
ABSTRACT:
A photo-integrated densitometer is arranged to evaluate the relative oiliness and stringiness of hair tresses under dynamic conditions.
REFERENCES:
patent: 3736064 (1973-05-01), Kent et al.
De Vellis Raymond J.
Rosenberger R. A.
The Gillette Company
Wise Richard A.
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