[GreenKeys] long shot - WTD CV-472 FAX equipment documentation

[Nick England]

Probably a very very long shot - I am looking for any manual, schematic,
description, etc. on a dual diversity fax receive converter made by
Crosby-Teletronics or its successor Mars Electronics. Military designation
CV-472/GXR, commercial model ROZ-110. The tech manual is T.O. 31W4-4-27-1
Photos and a brief spec sheet at
http://www.navy-radio.com/rtty-fax.htm#cv472

Any suggestions about other venues to ask? Where do the vintage fax
equipment collectors hang out?
Cheers,
Nick England K4NYW
www.navy-radio.com
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