Bakelite, 1907. Inventor: Lwo H. Baekeland (Belgium/USA) (1863-1944).

Balloon, 1783. Inventor: Jacques Montgolfier (1755-99) and Joseph Montgolfier (France)(1740-1810). Tethered flight, Paris (October 15); manned free flight, Paris.

Ballpoint Pen, 1888. Inventor: John J. Loud (USA). First practical models by Ladisloa and George Biro (Hungary) in 1938.

Barbed Wire, 1873. Inventor: Joseph F. Glidden (USA); manufactured at Illinois.

Bicycle Tyres (pneumatic), 1888. Inventor: John Boyd Dunlop (Scotland) (1840-1921). Principle patented but undeveloped by Orbert William Thomson (Scotland), June 10, 1885. First motor car pneumatic tyres adapted by Andre and Edouard Michelin (France), 1885 (see rubber tyres).

Bifocal Lens, 1780. Inventor: Benjamin Franklin (1706-90) (USA).

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

Bunsen Burner, 1858. Inventor: – Robert Wilhelm von Bunsen (Germany) (1811-99). Michael Faraday (1791-1867) (England) had previously designed an adjustable burner.

Burglar Alarm, 1851. Inventor: Edwin T. Holmes (USA). Electric installed, Boston Massachusetts (February 21).