Hours of Exercise in the Alps

HOURS OF EXERCISE.

HOURS OF EXERCISE

IN

THE ALPS.

BY

JOHN TYNDALL, LL.D., F.R.S.,

AUTHOR OF “FRAGMENTS OF SCIENCE FOR UNSCIENTIFIC PEOPLE,” “HEAT AS A MODE OF MOTION,” ETC., ETC.

NEW YORK: D. APPLETON AND COMPANY, 72 FIFTH AVENUE. 1896.

_Authorized Edition._

PREFACE.

A short time ago I published a book of ‘Fragments,’ which might ha...