"This hygrometer consists of two thermometers a and b similar to each other in all respects except that…
"An air thermometer consists essentially of a large glass bulb at the upper end of a tube of small but…
"Various methods have been devised for measuring electrostatic quantity, one of the simplest of which…
"Pass the tube of an air thermometer or of an inverted mercury thermometer through a cork in the neck…
An example of radiant heat. "Radiant heat is transmitted in a vacuum as well as air." A thermometer…
"About two feet away from an air thermometer, place an inverted flower pot. Midway between the two,…
"It consists of a glass tube or capsule A, having on the bottom and a little way up a highly polished…
An instrument for measuring temperature, founded on the principal that changes of temperature in bodies…
"A bulb of liquid is placed in the base of the glass graduated tube. As temperature increases, the volume…
"Stevenson's louvre-boarded box for the thermometers, which is now very widely used for temperature…
"Used to compare the temperature between two environments. As the temperature in one bulb increases,…