got info below from google this is vintage equipment
Master Cardiology Stethoscope.
It utilizes patented tunable diaphragm technology for hearing different frequency sounds.
The single-sided chestpiece is handcrafted from solid stainless steel.
It includes a dual-lumen design to eliminate auditory interference.
The headset is anatomically correct for a comfortable fit.
have some medical bags listed also! and some other vintage medical equipment!
Collectibility: These bags are sought after as decorative antiques and historically significant memorabilia. check out our other listings!
selling as pictured.
more than welcome to pick up at shop in butler pa & save shipping.
030626 cg