Marshall 87 Digital Sphygmomanometer

vintage Marshall 87 digital sphygmomanometer in good used condition. This is an early electronic blood pressure monitor, likely from the late 80s / early 90s, and it still powers on and cycles normally. • Model: Marshall 87 Digital Sphygmomanometer • Serial: M461350, Lot: 296306 • Includes: main unit with attached cuff and tubing (9V battery included) • Display and indicator lights all functioning