From: Respiration Calorimeters for studying the respiratory exchange and energy transformations of man, by Frances G. Benedict and Thorne M. Carpenter, Published by the Carnegie Institute of Washington, 1910, page 5.
From: Respiration Calorimeters for studying the respiratory exchange and energy transformations of man, by Frances G. Benedict and Thorne M. Carpenter, Published by the Carnegie Institute of Washington, 1910, page 5.
From The Gaseous metabolism of Infants by F. G. Benedict and F. B. Talbot, page 43. Used as a “tension equalizer” in an infant version of Benedict’s Universal Respiration Apparatus. Manufacturer was not named.
From “Experiments on the metabolism of matter and energy in the human body, 1900-1902”. US Department of Agriculture, Office of Experiment Stations – Bulletin No. 136, by W.O. Atwater and F.G. Benedict, frontispiece.
The respiration chamber was an open-circuit design. Carefully conditioned room air was drawn into the chamber and then evacuated through soda-lime canisters. The chamber was carefully insulated and kept at a constant temperature by circulating water.
Bicycle ergometry. From Muscular Work: A Metabolic Study with Special Reference to the Efficiency of the Human Body as a Machine, Issue 187, By Francis Gano Benedict and Edward Provan Cathcart, published by Carnegie institution of Washington, 1913. Un-numbered front page.
From: Energy transformations during horizontal walking, Issue 231, by Frances Gano Benedict, page 32, published by Carnegie Institution of Washington, 1915.
From: Studies in the respiratory exchange of infants, by Frances Gano Benedict and Fritz B. Talbot, The American Journal of Diseases of Children, Vol 8, July, 1914, page 25.
From: Respiratory exchange with a description of a respiration apparatus for clinical use, Part II. Boston Medical and Surgical Journal, June 22, 1916, pp 898-909, by Frances G. Benedict and Edna H. Tompkins. Diagram from page 906.
The diverse, quirky and mostly forgotten history of Pulmonary Function testing