Item 10990 - Foundry floor, Portland Company, ca. 1890 Item 10990 - Foundry floor, Portland Company, ca. 1890 Contributed by Maine Historical Society Item 10990 Zoom 4254px x 3270px - 14.2"w x 10.9"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The foundry floor at the Portland Company, where iron and steel castings were poured. The photo shows a furnace in the right foreground, where raw metal was melted before being poured into molds, and a number of sand casting flasks. Show Details