Vanya, You might try the AT&T archives in Warren, NJ, which contains records from AT&T, Western Electric, and Bell Labs. And I did find this at http://www.telephonetribute.com/research_resources.html: AT&T Archives: NOTE: Due to the unfortunate reductions in staffing and funding of the archives department, responding to personal inquiries most likely will not be possible. Requests must be submitted via U.S. Mail or FAX. Mail: AT&T Archives P.O. Box 4904 Warren, NJ 07059 FAX: (908) 756-2105 Email <mailto:[log in to unmask]> : Sheldon Hochheiser (AT&T archives historian) Archives phone number: (908) 226-2386 Some of you may live near a telephone museum. This would be an excellent way to see the equipment first hand. Please see David Massey's Telephone Museum <http://www.telephonetribute.com/telephone_museums.html> page to find a museum near you. Barbara C. Batson Exhibitions Coordinator The Library of Virginia 800 East Broad Street Richmond, VA 23219-8000 804-692-3518 ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).