Bakelite, 1907. Inventor: Lwo H. Baekeland (Belgium/USA) (1863-1944).
![](https://syskool.com/wp-content/uploads/2013/12/bakelite_bracelets_sm.jpg)
Balloon, 1783. Inventor: Jacques Montgolfier (1755-99) and Joseph Montgolfier (France)(1740-1810). Tethered flight, Paris (October 15); manned free flight, Paris.
![](https://syskool.com/wp-content/uploads/2013/12/balloon_stock_png_by_mysticmorning-d3kdoy9.png)
Ballpoint Pen, 1888. Inventor: John J. Loud (USA). First practical models by Ladisloa and George Biro (Hungary) in 1938.
![](https://syskool.com/wp-content/uploads/2013/12/ballpoint_pen_500px.jpg)
Barbed Wire, 1873. Inventor: Joseph F. Glidden (USA); manufactured at Illinois.
![](https://syskool.com/wp-content/uploads/2013/12/Barbed_wire.jpg)
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).
![](https://syskool.com/wp-content/uploads/2013/12/airless-bike-tire-nov20121.png)
Bifocal Lens, 1780. Inventor: Benjamin Franklin (1706-90) (USA).
![](https://syskool.com/wp-content/uploads/2013/12/Bifoklabrille_fcm.jpg)
Bullet, 1849. Inventor : Claude Minie (France).
![](https://syskool.com/wp-content/uploads/2013/12/13766447-minie-first-ball-and-ball-of-1849-vintage-engraving-old-engraved-illustration-of-claude-etienne-min.jpg)
Bunsen Burner, 1858. Inventor: – Robert Wilhelm von Bunsen (Germany) (1811-99). Michael Faraday (1791-1867) (England) had previously designed an adjustable burner.
![](https://syskool.com/wp-content/uploads/2013/12/3541-bunsen-burner.jpg)
Burglar Alarm, 1851. Inventor: Edwin T. Holmes (USA). Electric installed, Boston Massachusetts (February 21).
![](https://syskool.com/wp-content/uploads/2013/12/intruder-alarm-circuit-1.jpg)