Invention: The Master-key to Progress

This edition has images. LoC No.: 21018784 Title: Invention: The Master-key to Progress Contents: Invention in primeval times -- Invention in the Orient -- Invention in Greece -- Invention in Rome: its rise and fall -- Invention of the gun and of printing -- Columbus, Copernicus, Galileo and others -- The rise of electricity, steam and chemistry -- The age of steam, Napoleon and Nelson -- Inventions in steam, electricity, and chemistry create a dangerous era -- Certain important creations...