15708.git, branch main Scientific American Supplement, No. 794, March 21, 1891 initial commit of ebook 15708 2025-10-15T11:47:22+00:00 Roger Frank rfrank@pglaf.org 2025-10-15T11:47:22+00:00 f65ce8626c1c8c798d4cf845816785ba05baafb8