CONTENTS.
CHAPTER I.—Historieal and Discursive.
PAGE
Introductory Définitions—Ports and their Fonctions—The Development
of Maritime Engineering—The First Wet Dock—The Howland
Great Wet Dock—Recent Progress—Dock Administration—Historical
Notices of the Ports of London, Liverpool, New York, Glasgow,
Hamburg, Antwehp, Marseilles, Rotterdam, Cardiff, and or tue
Tyne Ports, ......... 1
CHAPTER II.—Dock Design.
Necessity for Docks—Relative Advantages of Docks and Basins—
Restrictions in Design—Considérations in regard to Position and
Outline—Various Forms—A Model Dock System — Ratio of Quay
Spacb to Water Area—Ratio of Periphery to Surface—Grouped
Docks—Internal Dispositions—Cost of Construction—Fresh Water
Supply—Ship Design—Typical Dock Systems at Liverpool and
Birkenhead, Barry, Buenos Ayres, Tilbury, Glasgow, Calcutta,
Hull, Hamburg, London, Sunderland, Swansea, Havre, and
Marseilles—Statistics of Representative Docks, . . . 17
CHAPTER III.—Construetive Applianees.
Classification—Positive, Negative, and Auxiliary Appliances—Piling
Apparatus—Hand, Stbam, Electric, and Hydraulic Machines—
Ram and Fall—Quiescence—Limit of Driving—Supporting Power
of Piles — Concrète Mixers — Messent, Taylor, Carey-Latham,
Sutcliffe, and Gravity Machines—Concrete Moulds—Block-setting
Appliances—Excavators—French and German Machines—Ruston,
Simpson-Porter, and Whitaker Steam Navvies—Hydraulic Navvy—
Drilling Appliances—Hand and Machine Drills—Blasting Agents
—Haulage and Traction—Drbdgers and Hoppers—Suotion, Ladder,
Dipper, and Grab Drbdgers — Buckets — Shoots — Tumblers—Power
—Cost—Dams of Earth, Timber, Stone, Concrète, and Iron—Coffer-
DAMS — StRENGTH AND StABILITY — PUMPS AND PUMPING — CRANES —
Overhead Travellers—Skips—Lewis Bars and Clips—List of Con-
structive Plant at Keyham Dock Works, . . . . 36
CHAPTER IV.-Materials.
Concrète—The Aggregate—The Matrix—Portland Cement—Its Fineness,
Strength, Rate of Setting, and Soundness—Adultérants of Cement—
Proportion of Water—Action of Sea Water upon Concrète—Cash or