The philosopher Plato laments, ?The mere bskeleton/b of the land remains.? A tax is then placed on wood for home heating and cooking, and the supply of wood is regulated by public authorities in some localities. b....../b 1830, Andrew bUre/b patents a thermostat based on the principle of differential expansion of two different metals. He also publishes a widely read dictionary in which he introduces the word thermostat to describe devices for controlling temperature automatically. ...
