Old X-ray units: output info request

["Jeffrey A. Leavey" <certhp@vnet.IBM.COM>]

Found this on sci.med.physics. Perhaps someone on our list
can help this person:

>Subject: Help! on OLD x-ray units and exposure data
>From: psr@po.CWRU.Edu (P S. Rao)
>Organization: Case Western Reserve University, Cleveland, OH (USA)
>Newsgroups: sci.med,sci.med.physics
>Date*: Tue, 01 Feb 94 13:30:45 EST
>
>
>I need data on the x-ray output (free-in-air exposure, in mR/mAs) from
>diagnostic x-ray units of the 20's, 30's and 40's.  Does anyone have    ,
>them or can tell me where I can find them?
>
>P S Rao                                       Tel: 216-844-1295
>Radiology Dept, CWRU/UH                       Fax: 216-844-5922
>2074 Abington Rd
>Cleveland, OH 44106