Sanborn Company Metabulator Model 10 Rolling Cabinet Medical Oddity, Cambridge, Massachusetts. 32.5" H x 25.5" W x 13.5" D. Note: Founded in Boston in 1917, Sanborn Company made electrocardiographs and other medical equipment. Dr. Francis G. Benedict invented several devices for measuring basal metabolic rate (BMR). This apparatus delivered oxygen from a compressed gas cylinder and collected the patient's exhaled carbon dioxide in an absorber. The test required the patient to sit quietly and breathe normally for ten minutes, while the readings were recorded on graph paper. Keywords: Early technology, Equipment, American invention, Vintage, Antique

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