ROGERS, WILLIAM W.
Blueprint reading at work, by William W. Rogers & Paul L. Welton. 1943 revision.
ROGERS, WILLIAM W. Blueprint reading at work, by William W. Rogers & Paul L. Welton. 1943 revision. © 20Jul43; AA433016. Hannah S. Welton (W); 15Dec70; R498189.
Hannah S. Welton|W