16792.git, branch main Scientific American Supplement, No. 508, September 26, 1885 initial commit of ebook 16792 2025-10-15T11:49:42+00:00 Roger Frank rfrank@pglaf.org 2025-10-15T11:49:42+00:00 e7d9382b872245b5d3acd4d55540de60121b7378