thermostats, thermoscopes ... DICTIONARY: Thermometer: An
instrument for determining temperature consisting typically of a
glass bulb attached to a fine tube of glass with a numbered
scale and containing a liquid (as mercury or colored alcohol)
that is sealed in and rises and falls with changes of
temperature. Thermometer: An instrument that measures the
temperature of a system in a quantitative way. How hot is the
oven? How cold is it outside? DEVICE: Thermostat: A thermometer
that uses its temperature measurements *to control* other
equipment. Set the oven to maintain 350 degrees. I want the air
conditioner to keep the house at 72 degrees. This is NOT the
topic of discussion - it is simply offered for of the earliest
devices used to measure temperature (thermometers) were called
thermoscopes. They were simple devices consisting of a glass
bulb with a long tube extending downward into a container of
coblored water that was open to the atmosphere. Galileo,in 1610,
is rumored to have used wine - good choice! A