The original Bakelizer, used by Baekeland and his coworkers from 1907 to 1910 to form Bakelite by reacting phenol and formaldehyde under pressure at high temperatures. Courtesy Smithsonian Institution.

 The original Bakelizer, used by Baekeland and his coworkers from 1907 to 1910 to form Bakelite by reacting phenol and formaldehyde under pressure at high temperatures.

Courtesy Smithsonian Institution (gift of Union Carbide Corporation, Specialty Chemicals Division).