http://freepatentsonline.com/4320766.html
Though I don’t know if it’s
the same gizmo now as it was then.
From: Archives &
Archivists [mailto:[log in to unmask]] On Behalf Of Maples, Phil
Sent: Wednesday, March 01, 2006
10:13 AM
To: [log in to unmask]
Subject: Ballistograph
We have a Ballistograph in our collection that was made by
Dr. Harry Clough in the late 1920's--30's. It was an early EKG type of machine
from what little description we have. Does anyone have any information on this
type unit? or any history?
Philip
G. Maples,
of the
Rochester General Hospital
333
Humboldt St
Rochester
NY 14610
Phone:
585.992.1847, 922.1851
e-mail:
[log in to unmask]
web: http://www.viahealth.org/body_rochester.cfm?id+331
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