A compendium of the course of chemical instruction in the Medical Department of the University of Pennsylvania / by Robert Hare.

  • Robert Hare
Date:
1827
Catalogue details

Licence: Public Domain Mark

Credit: A compendium of the course of chemical instruction in the Medical Department of the University of Pennsylvania / by Robert Hare. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    25 25 Vlll CONTENTS, • Page Expansion of Fluids - 1 • > 10.—Expansion of liquids ..... J Exception to the law, that liquids expand by heat - - 20 Expansion of aeriform fluids - - - - - - 20 On thermometers ....... 20 11.—Expansion of air ..------ 21 12.—Laboratory thermometer - - - - - - 22 13.—Self-registering thermometer -.'.-- - - - - 23 14.—Leslie's differential thermometer - - - - - 24 15.—Difference between an air thermometer and a differential thermometer illustrated! -....--- 24 Definition of elasticity ------ Modification of the effects of Caloric by atmospheric Pres- sure ------- Digression to demonstrate the nature and extent of atmospheric pres- sure .....-.-- 16.—Experimental proof that air has weight - - - - - 25 17.—A new method of demonstrating the existence and extent of the pres- sure of the atmosphere* - - - - - 25 19.—Torricellian experiment - - - - - - 27 20.—Additional illustration of atmospheric pressure* - - - 28 21.—Of the water pump! - - - - - - 29 22.—Description of a chemical implement! - - - - - 31 23.—Of the air pump ........ 31 Description of a large air pump with glass chambers - - - 32 23.—Experimental illustration of the elastic reaction of the air - - 33 Air occupying a small cavity, rarefied so as to fill the v. hole space - 33 24.—Distention of a caoutchouc bag, by the rarefaction of confined air - 33 25.—Expulsion of a liquid by the rarefaction of air - - - - 34 26.—Experimental proofs of the weight of the atmosphere - - - 34 Effect of atmospheric pressure on the hand .... 34 27.—Bladder ruptured by the weight of the atmosphere - - 34 28.—The hemispheres of Otho Guericke, the celebrated inventor of the air pump -..-.-.--35 29.—Bottle broken by the exhaustion of the air from within - 35 30.—Bottle broken by the exhaustion of the air from without - - 35 31.—The height of the column of mercury which balances the atmosphere, shown by exhaustion - - , ... - 36 32.—Barometric column of mercury lowered by exhaustion - - - 36 33.—Apparatus for illustrating the difference between the lifting, and forcing, pump ........ 37 Of condensation' .----. • • 37 34—Of the condenser - - • - - - - 37 35.—Influence of pressure on the bulk of air, and of its density, on its re- sistance! -------- 38 36.—Mechanical action of the lungs in respiration illustrated* - . 39 Expansion of Elastic Fluids - - - - 40 Theory of expansion ------- 41 Demonstration, that Atmospheric Pressure opposes, and limits, Chemical Action, where Elastic Fluids arc to he generated or evolved - - - . -4] 37.—That the boiling point is lowered by a diminution of atmospheric pres- sure, experimentally demonstrated - - 41 38.— Culinary paradox .... - 42 39.—Aeriform state dependent on pressure 1- 40.—Boiling point raised by pressure j j~ 41.—Column of mercury raised by vaporized other f 44 5 Apparatus contrived by the Author.