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, Director Baker-Cederberg Museum and Archives 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 ********************************************************************** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please delete it from your system. This footnote also confirms that this email message has been swept for the presence of computer viruses. Thank You, Viahealth ********************************************************************** A posting from the Archives & Archivists LISTSERV List sponsored by the Society of American Archivists, www.archivists.org. For the terms of participation, please refer to http://www.archivists.org/listservs/arch_listserv_terms.asp. To subscribe or unsubscribe, send e-mail to [log in to unmask] In body of message: SUB ARCHIVES firstname lastname *or*: UNSUB ARCHIVES To post a message, send e-mail to [log in to unmask] Or to do *anything* (and enjoy doing it!), use the web interface at http://listserv.muohio.edu/archives/archives.html Problems? Send e-mail to Robert F Schmidt <[log in to unmask]>