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Frontmatter
Foreword, by Frederick Barry
Preface, containing the reasons which have called for the publication of these two Treatises after the death of Monsieur Pascal, and an account of the various Experiments which are explained therein, [by F. Perier]
Notice: Critical Remarks by F. Perier
Extract from the King's Privilege
A TREATISE ON THE EQUILIBRIUM OF LIQUIDS
CHAP. I. How the Weight of Liquids is in proportion to their height
CHAP. II. Why Liquids weigh in proportion to their height
CHAP. III. Illustrations of Equilibrium of Liquids
CHAP. IV. On the Equilibrium between a Liquid and a solid
CHAP. V. On bodies wholly immersed in water
CHAP. VI. On immersed compressible bodies
CHAP. VII. On animals in water
TREATISE ON THE WEIGHT OF THE MASS OF THE AIR
CHAP. I. The mass of the Air has weight, and with this weight presses upon all the bodies it surrounds
CHAP. II. The weight of the mass of the Air produces all the effects hitherto ascribed to the abhorrence of a vacuum
CHAP. III. The weight of the mass of the Air being limited, so also are the effects it produces
CHAP. IV. As the weight of the mass of the Air increases when it is more highly charged with vapors, and diminishes when it is less so charged, so the effects produced by its weight increase and diminish proportionately
CHAP. V. The weight of the mass of Air being greater in low places than in high, the effects produced in low places are proportionally greater
CHAP. VI. As the effects of the weight of the mass of the Air increase or diminish with the increase or diminution of that weight, they would cease altogether if one were above the Air or in a place where there is no Air
CHAP. VII. How far water rises in pumps at each place in the world
CHAP. VIII. How much each place in the world is pressed by the weight of the mass of the Air
CHAP. IX. How much the entire mass of all the Air in the world weighs
Conclusion of the two preceding Treatises
FRAGMENT Of another longer Work by Monsieur Pascal on the same subject, divided into Parts, Books, Chapters, Sections, and Articles, of which only the following were found among his papers
Part I, Book III, Chapter I, Sections II [and III]
SECOND SECTION. The effects vary according to the variations of weather, and are more or less marked in proportion as the air is more or less charged.
THIRD SECTION. On the rule for the variations in these effects, due to variations in the weather
ANOTHER FRAGMENT On the same subject, consisting of Tables, of which only seven were found, which bear the following captions:
SECOND TABLE. To determine the weight of a leaden cylinder, which shall be equal to the resistance offered by two polished surfaces in contact, when the attempt is made to separate them
THIRD TABLE. To determine the force necessary to separate two bodies in contact on a surface with a diameter of one foot
FOURTH TABLE. To determine the force necessary to separate two bodies in contact on a surface with a diameter of six inches
FIFTH TABLE. To determine the force necessary to separate two bodies in contact on a surface with a diameter of one inch
SIXTH TABLE. To determine the force necessary to separate two bodies in contact on a surface with a diameter of six lines
SEVENTH TABLE. To determine the height to which mercury or quicksilver rises, and remains suspended, in the common experiment
EIGHTH TABLE. To determine the height to which water rises, and remains suspended, in the common experiment
Story of the great Experiment on the Equilibrium of Fluids devised by Monsieur B. Pascal in pursuance of the completion of the Treatise promised in his shorter work on the Vacuum; and carried out by Monsieur F. P. on one of the highest mountains in Auvergne, commonly known as Le Puy de Dôme
Copy of the letter of Monsieur Pascal the Younger to Monsieur Perier
Copy of the letter sent by Monsieur Perier to Monsieur Pascal the Younger
Copy of the account of the Experiment submitted by Monsieur Perier
Consequences
Record of the Observations taken by Monsieur Perier continuously day by day, during the years 1649, 1650, and 1651 in the City of Clermont in Auvergne, on the variations in the rise and fall of quicksilver in tubes; and also of those made simultaneously of the same variations in Paris by one of his friends, and at Stockholm in Sweden, by Messieurs Chanut and Descartes
Copy of a letter written by Monsieur Chanut to Monsieur Perier
Copy of another letter from the same Monsieur Chanut to the same Monsieur Perier
New Experiments, made in England, explained by the principles set forth in the two foregoing Treatises on the Equilibrium of Liquids and the Weight of the Mass of the Air
APPENDICES
I. Stevin: Fourth Book of Statics (in part)
II. Galileo's Remarks on Nature's Abhorrence of a Vacuum
III. Torricelli's Letters on the Pressure of the Atmosphere
BIBLIOGRAPHICAL NOTE
INDEX
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