Datex Deltatrac metabolic monitor, for measuring oxygen consumption and carbon dioxide production, made by Datex, c.1990. Used by Professor Peter Fleming at the University of Bristol within studies associated with Sudden Infant Death Syndrome (SIDS). Consists of Deltatrac metabolic monitor, plastic pipe, and blue canopy and plastic sheeting that would be placed over the infant to contain their breathing. Datex Deltatrac metabolic monitor, used in studies about Sudden Infant Death Syndrome (SIDS), c.1990 1990