Trends in foundry production in Philadelphia area.
Contributors: Gray, Robert D. 1909-; Federal Reserve Bank of Philadelphia
Series: Industrial Research Dept.  Wharton School of Finance and Commerce.  University of Pennsylvania.  Research studies -- 3
Publisher: University of Pennsylvania Press
Published: 1929
Place of publication: Philadelphia
Language: eng
Number of pages: 77
Subjects: Foundries; Iron industry and trade; Steel industry and trade -- Philadelphia
Notes: The study was carried on by the Philadelphia Federal Reserve Bank from 1924 to the end of 1927.