A History of Science
Henry Smith Williams 
Tome I
Tome II
Tome III Tome IV

Book II
The beginnings of modern science
Science in the dark age

Mediaeval science
among Arabians

Arabian astronomy
Arabian medicine

Mediaeval science
in the West

Thirteenth-century medicine
Fifteenth-century medicine
A new general science
Roger Bacon
Leonardo da Vinci

The new cosmology

Johann Kepler
Galileo Galilei

Galileo and the new physics

The law of equilibrium
The equilibrium of fluids
The study of magnetism
Light, heat, pressure
Two Pseudo-sciences: Alchemy and astrology

From Paracelsus to Harvey

The great anatomists
The coming of Harvey
Leeuwenhoeck and bacteria

Medicine in the sixteenth and seventeenth centuries

Philosopher-scientists and new institutions of learning

Bacon, Descartes, Leibnitz
Scientific societies

The successors of Galileo in physical Science

Robert Boyle
Mariotte and Von Guericke
Robert Hooke
Christian Huygens
and the composition of light
The white light
The nature of color

The law of gravitation

Instruments of precision 
in the age of Newton

Progress in electricity
from Gilbert to Franklin

The experiments of S. Gray
Experiments of C.Dufay
Dufay's discoveries
Ludolff's experiment
The Leyden jar
W. Watson & B.Franklin
Franklin's discoveries

Natural history
to the time of Linnaeus

The studies of the present book cover the progress of science from the close of the Roman period in the fifth century A.D. to about the middle of the eighteenth century. In tracing the course of events through so long a period, a difficulty becomes prominent which everywhere besets the historian in less degree--a difficulty due to the conflict between the strictly chronological and the topical method of treatment. We must hold as closely as possible to the actual sequence of events, since, as already pointed out, one discovery leads on to another. But, on the other hand, progressive steps are taken contemporaneously in the various fields of science, and if we were to attempt to introduce these in strict chronological order we should lose all sense of topical continuity.

Our method has been to adopt a compromise, following the course of a single science in each great epoch to a convenient stopping-point, and then turning back to bring forward the story of another science. Thus, for example, we tell the story of Copernicus and Galileo, bringing the record of cosmical and mechanical progress down to about the middle of the seventeenth century, before turning back to take up the physiological progress of the fifteenth and sixteenth centuries. Once the latter stream is entered, however, we follow it without interruption to the time of Harvey and his contemporaries in the middle of the seventeenth century, where we leave it to return to the field of mechanics as exploited by the successors of Galileo, who were also the predecessors and contemporaries of Newton.

In general, it will aid the reader to recall that, so far as possible, we hold always to the same sequences of topical treatment of contemporary events; as a rule we treat first the cosmical, then the physical, then the biological sciences. The same order of treatment will be held to in succeeding volumes.

Several of the very greatest of scientific generalizations are developed in the period covered by the present book: for example, the Copernican theory of the solar system, the true doctrine of planetary motions, the laws of motion, the theory of the circulation of the blood, and the Newtonian theory of gravitation. The labors of the investigators of the early decades of the eighteenth century, terminating with Franklin's discovery of the nature of lightning and with the Linnaean classification of plants and animals, bring us to the close of our second great epoch; or, to put it otherwise, to the threshold of the modern period,.





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© Serge Jodra, 2006. - Reproduction interdite.