I.W. Rabinowitch, E.V. Bazin. A simple and accurate method for determining basal metabolic rates. An electrometric (katharometer) procedure. Can Med J, 1926, page 638.
From: Laboratory Manual of the Technic of Basal Metabolic Rate Determinations, Walter Meredith Boothby, Irene Sandiford, published 1920 W.B. Saunders. Page 46
From: Laboratory Manual of the Technic of Basal Metabolic Rate Determinations, Walter Meredith Boothby, Irene Sandiford, published 1920 W.B. Saunders. Page 45
From: Laboratory Manual of the Technic of Basal Metabolic Rate Determinations, Walter Meredith Boothby, Irene Sandiford, published 1920 W.B. Saunders. Page 44
From: Laboratory Manual of the Technic of Basal Metabolic Rate Determinations, Walter Meredith Boothby, Irene Sandiford, published 1920 W.B. Saunders. Page 43
Valve design attributed to Dr. Tissot, first described in the Journal de Physiologie, 1911. From Basal Metabolism: Its determination and application. Frank Sanborn editor. Sanborn Company Publishers, 1922. Page 55.
Collins Tissot Spirometers, probably 125 and 60 liter capacities. Harvard Apparatus multi-purpose water seal spirometer. All probably from 1970’s to 1980’s.
Tissot spirometer used for BMR measurements. From Can Med Assoc J. 1918 June; 8(6): 491–509. The determination of basal metabolism by the “Respiratory-valve and spirometer method” of indirect calorimetry, with an observation on a case of polycythemia with splenomegaly.Maude E. Abbott