Francis J. Petrie was for many years the City Historian of Niagara Falls, as well as the author of a regular newspaper column in the Niagara Falls Review.
After his death many of his photographs, negatives, slides, and postcards were donated to the Library.
- 4 men / millwrights unknown; parts lying on floor; 2 banners read: " Safety at Work means Happiness at Home " and " Work - Think - Talk Safety! "