cmsKatlynL Invention of the Clock By professormike Apr 18, 1300 The First Clock was Invented http://www.mce.k12tn.net/renaissance/inventions.htm Apr 18, 1581 Galileo, an Italian scientist, discovered the pendulum http://www.mce.k12tn.net/renaissance/inventions.htm Apr 18, 1600 The metallic gear, or toothed wheel, and the use of the screw in assembling the clocks were first used. http://www.mce.k12tn.net/renaissance/inventions.htm Apr 18, 1968 The first digital clock was invented by Peter Petrov. http://www.google.com/search?um=1&safe=active&hl=en&q=who%20invented%20the%20digital%20clock&bav=on.2,or.r_qf.&bvm=bv.45368065,d.dmg&biw=1366&bih=624&ie=UTF-8&sa=N&tab=iw&ei=jONvUd3yKvLB4APX4oDQCA
