Bakelite, 1907. Inventor : Lwo H. Backcland (Belgium/U.S.) (1863-1944).

Ship (steam), 1775. Inventor : J.C. Perier (France) (1742-181. First trail on the Seine river, near Paris, France.

Food Frozen, 1923. Inventor : Birdseyes (USA).

Reaper, 1826. Inventor : Henry Ogle (U.S.). First practical machine invented by Robert McCormick in Walnutt Grove, Virginia, in 1831.

Ziggurats, c. 2000 BC. Inventors : Sumerians. Earliest staged towers at Ur in Iraq.

Bullet, 1849. Inventor : Claude Minie (France).

Night Club, 1843. Inventor : Paris, France. First was Le Bai des Anglais, Paris.

Chain Drive, 1491-93. Inventor : Leonardo da Vinci (1452-1519). Drawings made in Milan (Italy) were discovered in Spain in 1967.

Lightning Conductor, 1752. Inventor : Benjamin Franklin (U.S.) (1706-90), Philadelphia.