The Dudgeon Sphygmograph
In 1881 the English physician and homeopath, Robert Ellis Dudgeon introduced a new, highly portable Sphygmograph. Dudgeon’s Sphygmograph was
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