These lessons would be suitable for a unit study on inventions.
1822 Charles Babbage Logarithm machine invention Jun-14
1825 George Stephenson Sep-27
1849 Sir Ambrose Fleming - Father of Electronics Nov-29
1853 Elisha Graves Otis Lifts Sep-06
1877 Ole Evinrude - outboard motors Apr-19
1889 Helicopters May-25
1899 The Zeppelin Mar-14
1902 Technological Discoveries from ancient Greece May-17
1938 The Mallard Steam Engine Jul-03
1941 1st flight of British jet plane Apr-08
1960 Laser beams Mar-22
1977 Concorde Nov-22
Neoprene Nov-02
1825 George Stephenson Sep-27
1849 Sir Ambrose Fleming - Father of Electronics Nov-29
1853 Elisha Graves Otis Lifts Sep-06
1877 Ole Evinrude - outboard motors Apr-19
1889 Helicopters May-25
1899 The Zeppelin Mar-14
1902 Technological Discoveries from ancient Greece May-17
1938 The Mallard Steam Engine Jul-03
1941 1st flight of British jet plane Apr-08
1960 Laser beams Mar-22
1977 Concorde Nov-22
Neoprene Nov-02