As I said in reply to your other posting about your B&O heavyweight coach 3501, the B&O Yahoo group at
http://finance.groups.yahoo.com/group/B ... e_and_Ohio is the most comprehensive knowledge base anywhere for technical information on B&O prototype hardware. You should be able to get some help there. Of course, you'll have to join the group. Good luck!
Wade Rice
Member, B&O RR Historical Society
http://www.borhs.org
Daniel Willard (1860-1942) and Jervis Langdon, Jr. (1905-2004) - Two of B&O's best presidents and managers!
President Leonor Loree (1858-1940) brought the B&O into the 20th century!
