V. INVENTIONS & ACHIEVEMENTS
c. 510 B.C. -- First known map, invented by Hecataeus in Greece.
c. 250 B.C. -- Principles of the lever and other simple machines developed by Archimedes.
c. 140 B.C. -- Invention of trigonometry by Hipparchus.
1260 A.D. -- Konstantin Anklitzen invented the gun/cannon.
1608 -- Hans Lippershey invented the first telescope.
1654 -- Basic laws of probability propounded by Blaise Pascal and Pierre de Fermat.
1666 -- Isaac Newton laid down the principles of integral calculus.
1752 -- Benjamin Franklin invented the lightning conductor.
1793 -- Eli Whitney invented the cotton gin.
1830 -- Andre Ure invented the first thermostat, and Edwin Beard Budding created the first lawn mower.
1846 -- Elias Howe created the sewing machine.
1867 -- Christopher Latham Sholes invented the typewriter.
1879 -- James Ritty invented the cash register.
1888 -- George Easton created roll film camera.
