A text-book on chemistryFor the use of schools and colleges . they require in order to secure an equalamount of oxygen. As the expansion of atmospheric air takes place withregularity when the temperature rises, it is sometimesemployed to measure temperature. The , called also Sanctoriosthermometer, but .which was invented byGalileo about 1603, consists of a tube ofglass, Fig. 10, terminated at its upper endby a bulb, a. The other end of the tube,being open, dips beneath the surface ofsome colored water in a cup or reservoir,<?, which serves also as a foot or supportto
A text-book on chemistryFor the use of schools and colleges . they require in order to secure an equalamount of oxygen. As the expansion of atmospheric air takes place withregularity when the temperature rises, it is sometimesemployed to measure temperature. The , called also Sanctoriosthermometer, but .which was invented byGalileo about 1603, consists of a tube ofglass, Fig. 10, terminated at its upper endby a bulb, a. The other end of the tube,being open, dips beneath the surface ofsome colored water in a cup or reservoir,<?, which serves also as a foot or supportto the instrument. The bulb and part ofthe tube are full of air; the remainder ofthe tube is occupied by the colored water,which, by its movements up and down, indicates chan-ges of volume in the included air. To the side of thetube a scale of divisions, 5, is affixed. The tube is not Why does the weight of air in a given measure vary in differentplaces ? What is the peculiarity of the Inca Indians ? DescribeSanctorios thermometer. Who was reallv its inventor?. IS AIR-THEEMOMETEHS. Fin. 11.
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