Ed Hawkins wrote:
The two cars that utilized low-allow steel and welded construction . . .I believe this should read ". . . utilized high-strength low-alloy steel . . ." These materials are often called "HSLA" for short.
Tony Thompson Editor, Signature Press, Berkeley, CA
2906 Forest Ave., Berkeley, CA 94705 www.signaturepress.com
(510) 540-6538; fax, (510) 540-1937; e-mail, email@example.com
Publishers of books on railroad history