WALKER, J.H.
Piping handbook. By J.H. Walker & Sabin Crocker. 3d ed.
WALKER, J.H. Piping handbook. By J.H. Walker & Sabin Crocker. 3d ed. © 5May39; A128372. Sabin Crocker (A); 16Nov66; R397364.
Sabin Crocker|A