8297.git, branch main Scientific American Supplement, No. 286, June 25, 1881 initial commit of ebook 8297 2025-10-15T12:31:16+00:00 Roger Frank rfrank@pglaf.org 2025-10-15T12:31:16+00:00 85bc41b38843931ecce8107df9b235cb8265849a