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CONTENTS.
Division First.
NAVAL ARCHITECTURE.
CHAPTER I.
PAGE
Qualities sought in a Ship-Buoyancy-Stability-Speed-The Quality of
Steadiness in Rough Water-Easy Rolling-Speed and Resistance...
CHAPTER VI.
Fairness-Models-Propulsion by Machinery, 17-Propulsion by Sails
CHAPTER VII.
Working or Manoeuvring Qualities of a Ship-Design...
CHAPTER VIII.
Areas of Arbitrary Plane Figures, 22-Trapezoidal Rule-Simpson's First
and Second Rules.
CHAPTER IX.
Volumes of Solid Figures-Direct Measurements of Volumes, 27-Measure-
ment of Volumes in Layers, or in Rectangular Divisions..
13
19
21
23
28
CHAPTER X.
Rules for Moments and Centres of Plane Areas-Rules for Moments and
Centres of Volumes....
30
CHAPTER XI.
Centres of Gravity and Moments of Bodies..
CHAPTER XII.
Displacement and Centre of Buoyancy, 38-Methods of Computing Displace-
ment, 39-Curve and Scale of Displacement, 40-Computation of Cross-
Sections, 40-Computation of Water-Sections, 41-Computation of Dis-
placement in Layers, 41—Appendages, 41-Computation of Midship-Sec-
tion in Layers, 41-Determination of Centre of Buoyancy.
CHAPTER XIII.
Co-efficient of Fineness, 44-Tonnage, 45-Burden.
CHAPTER XIV.
Combined Calculations of Buoyancy and Stability, 47-Object of this Chap-
ter, 47—Arrangement of the Data, 47-Arrangements of the Results of
Calculations, 47.
CHAPTER XV.
33
42
45
50
Practical Method of Ascertaining the Height of the Centre of Gravity of a
Vessel Equipped and Ready for Sea....
CHAPTER XVI.
Rule for Computing the Register Tonnage of all United States Vessels, 61 -Calculations of Register Tonnage of the U. S. Steamers Omaha and
Brooklyn...
CHAPTER XVII.
On the Longitudinal Metacentre of a Ship....
53
..66-69
70
CHAPTER XVIII.
Geometrical Construction of Sails, 81-Method of Determining the Position of the Centre of Effort of the Sails of a Ship, 82-Manoeuvring by Sail, 85
Calculations for the Position of the Centre of Effort of the Sails of the
U. S. Steamer Brooklyn
87
CHAPTER XIX.
On the Limits of Safety of Ships as regards Capsizing, 88-Distribution of Weight and Buoyancy in Ships, 92-Measure of Fighting Efficiency of
Sea-going Iron-clads..
On the Designing of Ships, 98-General Design, 98-Principal Dimen- sions, 99-Keel, Stem, Stern-Post, and Rudder, 100-Moulded Dimen-
sions and Displacement, 100-Midship Section, 101-Leading Water-Line, 102-Balance-Sections, 102-Additional Water-Lines, 103-Buttock-Lines, 103—Additional Cross-Sections, 104-- Main-Breadth-Line, 104- Sheer-
Lines, 104-Gunwale--Rail-Head and Stern, 104-Use of Models in
Designing Ships, 105-Summary of Calculations...
107
CHAPTER XXI.
The Wave-Line System of Construction and its Advantages...
CHAPTER XXII.
Propelling Power and Speed, 123--Resistance due to Frictional Eddies, 123
-Computation of Augmented Surface, 124--Computation of Probable
Resistance, 125--Computation of Engine Power required at a Given Speed,
125-Computation of probable Speed, 126-Example of Calculation of
Probable Speed of H.B.M. Ship Warrior....
109
126-127
Division Second.
“LAYING DOWN AND TAKING OFF”
SHIPS.
Introductory Observations...
131
1. Process of "laying down" so as to forward the conversion of the differ- ent timbers.
9. To place the Foremost and Aftermost Perpendiculars, and get the Sta-
tions of the Timbers on the Floor...
135
11. To get the shape of the Forward Edge of the Rabbet of the Stem
12. To get the Shape of the After Edge of the Rabbet of the Stern-Post
137
and Centre-Counter-Timber
13. To run in the Half-Breadth Plan
14. Ending of Water-Lines and Sheer-Lines Forward
138
15. Ending of Water-Lines and Sheer-Lines Aft
16. To Construct the Square-Body-Plan..
17. To obtain the Shape of the Transverse Section or Moulding-Edges of
19. Vertical Longitudinal Sections or Buttock and Bow-Lines
20. Method of taking off the Vertical Longitudinal Sections or Buttock and
Bow-lines.
21. Ending of Vertical Longitudinal Sections or Buttock and Bow-Lines.. 142
22. Diagonal-Lines.
23. Method of Taking Off Diagonal-Lines
24. To End the Diagonal-Lines..