PENTON'S FOUNDRY LIST

PUBLICATION PUBLISHED YEARLY OR FROM TIME TO TIME, THE SUBJECT MATTER OF WHICH IS A DIRECTORY OF GRAY IRON, MALLEABLE IRON, STEEL, BRASS, BRONZE, ALUMINUM AND MAGNESIUM FOUNDRIES IN THE UNITED STATES AND CANADA, INCLUDING ALSO THE PATTERN SHOPS, MACHINE SHOPS AND LABORATORIES OPERATED AS DEPARTMENTS OF THESE PLANTS