1988 advert for Duracell.

Duracell originated via the partnership of scientist Samuel Ruben and businessman Philip Rogers Mallory, who met during the 1920s. The P.R. Mallory Company produced mercury cells for military equipment use, trumping the Zn-air battery technology used then in virtually all applications. During the late 1970s, when the company’s concerns for the now-known effects of mercury began, mercury quickly became an obsolete ingredient in all their manufacturing processes. It was replaced by alkaline technology. (more…)