Dingman Brothers studio was operated by Harry C. Dingman and Waldo H. Dingman from 1902-1908 in Seattle, Washington. Both Harry and Waldo also worked out of their own separate studios in Seattle; Harry from 1902-1904, and Waldo in 1904 and from 1907-1910.
Scanned from a photographic print using a Microtek Scanmaker 9800XL at 100-150 dpi in JPEG format at compression rate 3 and resized to 768x600 ppi. 2007