Black-and-white diagram of equipment developed by M. Lowell Edwards to test the durability of Starr-Edwards artificial heart valves. The diagram is titled: Medium Frequency Life Tester (1700-3400 Pulses/Minute). Digital scan of a 35mm slide.
The M. Lowell Edwards Public History Project was made possible by a grant from the Edwards Lifesciences Fund. We are grateful to Teresa Edwards Allen and the extended family of M. Lowell Edwards for their generosity in sharing documents from the estate of M. Lowell Edwards. We also thank Richard J. Mullins, M.D. for his many contributions to this project.
