We’ve got about 4,000 Lantern Slides from the 1890s to the 1950s and volunteer Adam McFarren has been scanning them. He’s up to about 400, so it should take him another few years, which is great since he’s the one who answers your reference questions!
This image is of Andrew H. McCarthy climbing Mt. Naiset, Canadian Rockies. Know anything about it? Let us know!