File:Treatise on marine and naval architecture, or, Theory and practice blended in ship building. Illustrated with more than 50 engravings (1852) (14767297644).jpg

Identifier: treatiseonmarine00grif (find matches)
Title: Treatise on marine and naval architecture, or, Theory and practice blended in ship building. Illustrated with more than 50 engravings
Year: 1852 (1850s)
Authors: Griffiths, John W. (John Willis), 1809-1882
Subjects: Naval architecture
Publisher: New York : D. Appleton
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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MARINE AND NAVAL ARCHITECTURE. 191 the widest part of the bottom, we setagainst it 1000 or unit, which is 1.Suppose, as is the case, the half-breadth of ® frame to be 13 feet on theload-line, 12.S9 on the fifth water-line,12.75 on the fourth water-line, 12.46on the third water-line, 11.58 on thesecond water-line, and 9.83 on the firstwater-line; now it will appear quitemanifest, that those several breadthsare units, or whole parts, this being thewidest frame in the ship, and as thelines below grow narrower on all theframes, or have less breadth successive-ly as we descend, it follows that thelower half-breadths of the dead-flatframe are of necessity fractional partsof the unit. We will now give the half-breadths of the dead-flat frame, onthe several water-lines, first in feet andinches, then in feet and decimal parts,and third in decimal parts of the unit.First—the load or sixth water-lineequals 13 feet; fifth water-line, 12 feet10 and three quarter inches ; the fourthwater-line, 1

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