Item 5775 - Ordnance production at the Portland Company, ca. 1917 Item 5775 - Ordnance production at the Portland Company, ca. 1917 Contributed by Maine Historical Society Item 5775 Zoom 4189px x 3181px - 14.0"w x 10.6"h @ 300dpi | Need a larger size? *Credit line must read: Collections of Maine Historical Society Image Info The Portland Company on Portland's waterfront produced 108 mm shell casings for the United States Army during World War I. Show Details