Part One.

“_There are many fingers pointing to the value of a training in science, as the one thing needful to make the man, who shall rise above his fellows._”—FRANK ALLEN.

“_The motto marked upon our foreheads, written upon our door-posts, channeled in the earth, and wafted upon the waves is and must be, ‘Labour is honorable and Idleness is dishonorable.’_”—CARLYLE.

This work is respectfully dedicated to MAJ. ABRAM B. GARNER, of Newark, N. J.,

—AND—

ALBERTO H. CAFFEE, ESQ., of New York City.

‘Gentlemen without fear and without reproach.’

“_Thought is the principal factor in all mechanical work; the mechanical effort is an incident rather than the principal equipment in any trade or occupation._”

“_Any trade is easily learned by an apt scholar who uses his reasoning faculties and makes a study of cause and effect._”—CHAS. J. MASON.

PUMPS

—AND—

HYDRAULICS

—BY—

WILLIAM ROGERS

_Author of “Drawing and Design,” etc._

_RELATING TO_

HAND PUMPS; POWER PUMPS; PARTS OF PUMPS; ELECTRICALLY DRIVEN PUMPS; STEAM PUMPS, SINGLE, DUPLEX AND COMPOUND; PUMPING ENGINES, HIGH DUTY AND TRIPLE EXPANSION; THE STEAM FIRE ENGINE; UNDERWRITERS’ PUMPS; MINING PUMPS; AIR AND VACUUM PUMPS; COMPRESSORS; CENTRIFUGAL AND ROTARY PUMPS; THE PULSOMETER; JET PUMPS AND THE INJECTOR; UTILITIES AND ACCESSORIES; VALVE SETTING; MANAGEMENT; CALCULATIONS, RULES AND TABLES. _WITH ILLUSTRATIONS._

_ALSO_

GENERAL CONSIDERATIONS; GLOSSARY OF PUMP TERMS; HISTORICAL INTRODUCTION, WITH ILLUSTRATIONS; THE ELEMENTS OF HYDRO-MECHANICS, HYDROSTATICS AND PNEUMATICS; GRAVITY AND FRICTION; HYDRAULIC MEMORANDA; LAWS GOVERNING FLUIDS; WATER PRESSURE MACHINES; PUMPS AS HYDRAULIC MACHINES, ETC.