Item 50823 - 46 Exchange Street, Portland, 1924 Item 50823 - 46 Exchange Street, Portland, 1924 Contributed by City of Portland - Planning & Development Item 50823 Zoom 4735px x 3333px - 15.8"w x 11.1"h @ 300dpi | Need a larger size? *Credit line must read: Collections of City of Portland - Planning & Development Image Info Store & Factory at 46 Exchange Street in Old Port, Portland, was owned by Estate of Eliz W. Thomas in 1924. Show Details