The Dudgeon Sphygmograph
In 1881 the English physician and homeopath, Robert Ellis Dudgeon introduced a new, highly portable Sphygmograph. Dudgeon’s Sphygmograph was
The Sphygmometer
The medical Definition of sphygmometer is an instrument for measuring the strength of the pulse beat. The name is derived from the Ancient G
It's a miracle, changing mercury into water...
The wonderful thing about having a complete historic collection of blood pressure devices spanning four centuries is that you realize that t
