Another fascinating type of thermometer is the bimetallic strip thermometer, which works by using two different metals that expand at different rates when heated. Two metals (like iron and brass ...

The (long) video starts off with making a DIY bimetallic strip out of titanium and brass ... backs off enough to indicate that the set temperature has been reached. Rube Goldberg would have ...

THE British Thomson-Houston Co., Ltd., has sent us specimens of a new bimetallic strip ... is always the same in a strip of given length and thickness for a given temperature change, and ...

While most newer thermostats use some form of an electrical temperature sensor, older thermostats used mechanical switches, typically a bimetallic strip with a mercury or magnetic switch.

Infinite switches are little more than a resistor and a bimetallic strip in a single package. Not very good for accurate temperature control. The tricky part of this hack was to make it reversible ...

Pneumatic thermostats employ a simple bimetallic strip to sense temperature and each must be set manually. The only way to retrofit these buildings with BAS is to cut open walls and ceilings to ...