Study of the Adequacy of Existing Programs for the Training of Journeymen Molders in the Iron and Steel Foundries of Philadelphia ...

Auteur : A. H. Williams, Charles William Meadowcroft, Isadore Lhevinne, Oscar Rudolph Sandstrom, William Christie Macleod

Date de publication : 1924

Éditeur : University of Pennsylvania

Nombre de pages : 77