From the Book - Regular Print - Fourth edition, New edition ; American edition ; [Revised, Updated].
Learning the basics: c. 3,000,000 BCE-500 BCE
The age of authority: c. 499 BCE-1400
New worlds, new ideas: 1401-1750
Revolutionary changes: 1751-1850
Science takes control: 1851-1900
Iventions for everyone: 1901-1950
Information & uncertainty: 1951 onward
Index of inventions & discoveries
Index of inventors and discoverers.
From the Book - Regular Print - First American edition.
Learning the basics c 3,000,000 bc - 500 bc 6 --
Age of authority c 499 bc - 1400 40 --
New worlds, new ideas 1401 - 1750 72 --
Revolutionary changes 1751 - 1850 104 --
Science takes control 1851 - 1900 138 --
Inventions for everyone 1901 - 1950 172 --
Information & uncertainty 1951 - 2001 212.
