Office of the Director of Research, Dr, F.W.Heyl. Seated at left: D.S.Gilmore, standing: Dr. M.C.Hart  1-10-34

Scientific staff - November 1933

Library of the Research Department  1-10-34

Library of the Research Department  1-10-34

Laboratory for Physiological-Chemical research  1-10-34

Laboratory for organical-chemical research  1-10-34

Micro-analytical laboratory  1-10-34

Micro-chemical balance  1-10-34

Endocrinological-chemical research: apparatus for determining electrolytically of pH and centrifuge  1-10-34

Interpretation and recording of biologic and chemical assays of cod liver oil and related products  1-10-34

Chemical and biologic studies related to fat soluble vitamins  1-10-34

Fat soluble vitamin assay  1-10-34

Rat colony for breeding and fat soluble vitamin assays  1-10-34

Office of Nutrition Science Laboratories  1-10-34

Laboratory for the preparation of vitamin-deficient rations  1-10-34

Vitamin B assay colony  1-10-34