Black and white photograph of three people, two women and a man, standing in front of a busy street in front of the Cathedral of Our Lady of the Assumption. Another large building is visible behind a crowd of people. A store sign on the right side of…

Black and white photograph of the waterworks of Port of Spain, Trinidad and Tobago. A pool of water is surrounded by stone walls with a building behind it. A group of people are visible standing on a stone path and stairs next to the water. Forest…

Black and white photograph of the steamer Sagamo at the Port Carling Lock, Ontario. Several people appear to be boarding the vessel.

Black and white photograph of the steamer Medora at the Port Carling Lock, Ontario. Several people are visible on the boat deck and the ground below.

Black and white photograph of the dock at Port Sandfield, Ontario. Two steamers and a Canadian Northern Railway car are visible.

Black and white photograph of a woman standing in a rocky gorge.

Black and white photograph of a pitched tent next to a river with three automobiles next to the tent and two more behind the tent. The photo was taken from above, and "Potter's Bridge" is written on the bottom of the image.

Black and white photograph of the interior of a power plant with transformers. Taken my Merrill while attending the American Society of Civil Engineers conference in New Orleans, Louisiana.

Black and white photograph of a northeast view of the Pozzuoli Amphitheater interior. A building is visible in the background.

Black and white lantern slide of an aerial view of the Flavian Amphitheatre in Pozzuoli, Italy. Serie Artistica No. 40699

Black and white photograph of a southwest view of the Pozzuoli Serapeum ruins. Columns in the middle of a lake are visible in the center of the image with a building in the background.

Black and white photograph of the Practical Science Lab building at Toronto University.

Black and white photograph of Prescott, Ontario shoreline from the steamship Kingston. Lettering on the roof of one building reads James Buckly Coal. Water damage is visible on the image, which was scanned from the negative.

Black and white photograph of "Old Man" mountain.

Black and white photograph of Pullman Island in Alexandria Bay, New York.

Black and white photograph of Punch Bowl Spring, Yellowstone National Park.

Black and white close-up photograph of Punch Bowl Spring in Yellowstone National Park.

Black and white photograph of a group of people standing in front of a cliff face. A large wooden ladder is visible behind the group, and two men can be seen sitting on a boulder at the top of the ladder.

Black and white photograph of a group of people walking into the open doorway of a Puye cliff dwelling.

Black and white photograph of a countryside of fields with a small forest in the distance, likely taken near Clinton, New York.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of the striated rock formation of Bonaventure.

Black and white lantern slide of the striated rock formation of Bonaventure.