A STUDY OF SPLASHES
BY THE SAME AUTHOR.
A FIRST COURSE OF PHYSICAL LABORATORY PRACTICE.
Containing 264 Experiments.
With Illustrations. Crown 8vo, 4s. 6d.
DYNAMICS OF ROTATION.
An Elementary Introduction to Rigid Dynamics.
Crown 8vo, 4s. 6d.
LONGMANS, GREEN, AND CO.
LONDON, NEW YORK, BOMBAY, AND CALCUTTA.
A STUDY OF SPLASHES
BY
A. M. WORTHINGTON
C.B., M.A., F.R.S.
HEADMASTER AND PROFESSOR OF PHYSICS
AT
THE ROYAL NAVAL ENGINEERING COLLEGE, DEVONPORT
WITH 197 ILLUSTRATIONS FROM INSTANTANEOUS PHOTOGRAPHS
LONGMANS, GREEN, AND CO.
39 PATERNOSTER ROW, LONDON
NEW YORK, BOMBAY, AND CALCUTTA
1908
All rights reserved
DEDICATED
TO
THE NATURAL HISTORY SOCIETY OF RUGBY SCHOOL
AND ITS FORMER PRESIDENT
ARTHUR SIDGWICK
IN REMEMBRANCE OF THE ENCOURAGEMENT
GIVEN TO THE EARLY OBSERVATIONS MADE IN BOYHOOD
BY MY OLD SCHOOL-FRIEND
H. F. NEWALL
FROM WHICH THIS STUDY SPRANG.
PREFACE
This publication is an attempt to present in a form acceptable to thegeneral reader the outcome of an inquiry conducted by the aid ofinstantaneous photography, which was begun about fourteen years ago. Theauthor, in 1894, had occasion to lecture at the Royal Institution on the"Splash of a Drop," of which he had already made a somewhat prolongedstudy. That lecture, which was subsequently reprinted in the "Romance ofScience" series by the Society for Promoting Christian Knowledge, dealtlargely with the splash of a drop falling on a solid plate, with whichthe present volume is not concerned. At the close of the lecture wereexhibited for the first time a few photographs of some of the phenomenanow dealt with, which the author had just succeeded in taking with thehelp of his friend Mr. R. S. Cole. The success of the photographs andthe additional information they afforded led to a long photographicinvestigation, which formed the subject of two papers[A] in the Transactions of the RoyalSociety. Except for two magazine articles,[B]the results of this work h