Duboscq, Jules

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Jules, French optician, 1817-1886.
Duboscq colorimeter - an apparatus for measuring the depth of tint in a fluid.
References in periodicals archive ?
The depth-balancing comparator, originally designed and manufactured in 1854 by Jules Duboscq, made its debut as a basic scientific tool for clinical chemistry in 1904, in Otto Folin's classic paper on the measurement of creatinine and creatine in urine by the Jaffe reaction with alkaline picrate solution (5).