Harbison-Walker Refractories Company.

$Modern refractory practice$ Modern refractory practice
A study of the open hearth
$Catalogue containing useful information in connection with the use of silica magnesia, chrome and fire clay brick and various refractories as furnished by the Harbison-Walker Refractories Co$ Catalogue containing useful information in connection with the use of silica magnesia, chrome and fire clay brick and various refractories as furnished by the Harbison-Walker Refractories Co