CONTENTS

HISTOEY OF PHILADELPHIA DEY DOCK.

DESCRIPTION OF PHILADELPHIA DEY DOCK ....

LOCATION.

CHAEACTEE OF THE SOIL.

COFFEE-DAM.

DRAINAGE OF COFFEE-DAM AND EAETH WORK

foundations of basin and conceete wall .

masoney of flooe and walls.

maeine eailways and ceadle.

hydeaulic cylindee, engine HOUSE, AND TUEN-TABLES

LESCEIPTION OF FLOATING SECTIONAL DEY DOCK .

mode of docking a ship.

taking a vessel on and off the ways ....

floating gates.

names of engineees and employees.

COMPLETION and cost of THE WOEK ....

PAGE.

7

1212121313, 14

15. 15

16

. 1618. 19

19

. 20

20

3