The Fitch Dustdown Company
801 South Howard Street, Baltimore
John Dubas (fl. 1904-1973)
8x10 inch film negative
Baltimore City Life Museum Collection
Maryland Historical Society
Full image and detail. Click to enlarge.
Janitorial supplier Fitch Dustdown Company is now known as Fitch Company. You can read about their history on their website. The History page happens to feature this exact photograph (cropped).