The colorimeter here described, which we have chosen to call the "Denison Laboratories colorimeter," has been in constant use in the Henry S. Denison Research Laboratories and in the Laboratory of Biochemistry of the University of Colorado for a period of more than a year. It was designed in an attempt to devise for the use of the clinician a simple instrument which does not lose, because ofits simplicity, any great degree of accuracy. As the number of students who have used the colorimeter is now quite large, it seems best, in order to establish the identity of the instrument, to describe it without delay and without relation to other papers on methods and technic which are now in preparation.
The materials out of which the colorimeter is constructed consist of an ordinary Pillsbury slide box designed to hold twenty-five microscope slides, two test tubes graduated to 30 c.c. in
Peebles AR, Lewis RC. A SIMPLE AND ACCURATE COLORIMETER FOR CLINICAL USE. JAMA. 1918;70(10):679–680. doi:https://doi.org/10.1001/jama.1918.26010100003009c
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