Letter from Geoffrey Parr to William Grey Walter, November 1942

Invites Walter to speak at the Institution of Electrical Engineers (I.E.E.) about "a Stethocardiophone and Panharmonica-cardiographogram, or some such name". Suggests improvements to the automatic recorder devised by Walter and George Dawson.

Details

Extent:
203
254
Identifier:
BURD/A/01/GP4
Access:
Open Access

Browse this archive