http://iai.lib.wvu.edu/catalog/iai001442http://iai.lib.wvu.edu/thumb/iai001442.jpgPeople Detected; 01 of 011921/09/30Page 35 (back of added page); "People Detected at 506 Yards' Range"; Samuel O. Hoffman, an inventor, claims to have discovered a way to see in the dark using his new instrument. It supposedly shows how many people are present, what they are doing, and enables differentiation between man or animal.; reported from a special correspondent in New York, Daily Dispatch; DF 654Clippings