. Manual of physico-chemical measurements. tobe regulated, and is connected by a capillary,preferably. of lead, with the regulator B, which is placed in theneighbourhood of the burner, by meansof which the space is heated. The tap of the regulator is left openuntil the desired temperature is reached,on which it is closed, any small adjust-ments afterwards found necessary beingmade by moving the inlet tube a littleup or down. The connection of the three parts—air chamber, regulator, and burner—canof course be made in a great variety ofways, the most convenient for the pur-pose in hand being sel


. Manual of physico-chemical measurements. tobe regulated, and is connected by a capillary,preferably. of lead, with the regulator B, which is placed in theneighbourhood of the burner, by meansof which the space is heated. The tap of the regulator is left openuntil the desired temperature is reached,on which it is closed, any small adjust-ments afterwards found necessary beingmade by moving the inlet tube a littleup or down. The connection of the three parts—air chamber, regulator, and burner—canof course be made in a great variety ofways, the most convenient for the pur-pose in hand being selected. The airspace in the regulator below the tapshould be made as small as possible,since it acts as a second air chamberexposed to varying temperatures, andtherefore produces errors in proportion to its size. The same pre-caution should be taken with liquid regulators. Gas thermostats maybe constructed of great sensibility on account of the large temperaturecoefl&cient and small heat capacity of the regulative substance; but it.


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Keywords: ., bookcentury1800, bookdecade1890, bookpublisherlondo, bookyear1894