Citation
Unknown. 1899. “Front view of respiration calorimeter. Air pump, water meter, observers table and entrance to the respiration chamber are shown in detail. The large balance at the left of the picture is used for weighing the caron-dioxid and water absorbers and the oxygen cylinder. Judd Hall, Wesleyan University, Middletown, Connecticut.” Special Collections, USDA National Agricultural Library. Accessed November 3, 2024, https://www.nal.usda.gov/exhibits/speccoll/items/show/12262.