IN preparing a Third Edition for the press, I have adhered to my original plan of publishing
these Lectures just as they were taken down by the short-hand writers. I have, however …

AVING found the various reprints of papers by the same author, HAVING which have been
published during the last thirty years, of the greatest assistance, and being assured that it …

It is a feature of the history of the subject that the study of atomic physics was accompanied
by a partial neglect of that of classical mechanics. This led to the unsatisfactory situation in …

Analytical mechanics is a science worked out by its very founder Newton with a precision
and perfection almost unrivalled in the whole field of human knowledge. The great masters …

Physico-mechanical experiments on various subjects: containing an account of several
surprizing phænomena touching light and electricity, producible on the attrition of bodies …

More than six years ago, whilst collecting together the results of the most trustworthy
measurements of the various physical constants, with a view of establishing certain …

energy became generally acknowledged, the conviction has also developed that this law
must serve as the foundation of the natural sciences, above all of physics. The realiza tion of …

is chosen tosignify that the facts of atomic physics are to be treated herewith special
reference to the underlying mechanical principles; an attempt is made, in other words, at a …

SINCE the publication of the first Volume of this work, its scope has been greatly enlarged. It
is now made to include, not only Physics proper, but several kindred branches, and aims to …

This book has evolved from the series of lecture notes that I had handed out to the physics
students at the University of Regensburg in Bavaria, Germany. Over the years, various bits …