Donated by a New England medical facility.
ADC Sprague Rappaport Type Stethoscope, #640BK. Black, 24-inch. Dual heads. These are in boxes which are a bit flimsy, so the ends are held with tape.
"Threaded chestpiece drum of chrome plated zinc permits the use of five interchangeable chestpiece fittings - an adult and pediatric diaphragm, and three bells (1 1/4", 1", 3/4")
Proprietary valve mechanism eliminates acoustic leakage
Adjustable chrome-plated brass binaurals
Complete with an accessory pouch containing the bell chestpieces, chestpiece key, 2 spare diaphragms, 1 pair of mushroom eartips, and 1 pair of silicon eartips"