21716.git, branch main The Battery and the Boiler: Adventures in Laying of... initial commit of ebook 21716 2025-10-15T08:45:42+00:00 Roger Frank rfrank@pglaf.org 2025-10-15T08:45:42+00:00 3726e18f85cbb0f68cd8062f5edf385ec7a85ce2