Some days your nerve feel numbered.
A hand exerciser.
Equipment for studying the respiratory and cardiovascular systems.
Herbert List: “Instructive View into the Ribcage”, 1944
Electroretinogram: modern apparatus devised to measure the electric potential of the retina.
“Operating table developed by Dr. E.L. Doyen, called “Doyen’s Bed”, ancestor of all modern operating tables…”
And this is the afore-mentioend Dr. Doyen doing what he does best – tricky surgeries. In this case separating two “Hindoo twins” in 1902.