Manual of Admeasurement: The United States Tonnage Law of 1864, with Analysis of the Mode of Measuring Ships and Vessels, Illustrated by Formulae, Diagrams, and Full Directions for the Admeasurement of Vessels of All Forms and Sizes ..., Band 1

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I.R. Butts & Company, 1865 - 68 sidor
 

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Sida 17 - ... (average thickness), deducting from this length what is due to the rake of the bow in the thickness of the deck and what is due to the rake of the stern timber in the thickness of the deck, and also what is due to the...
Sida 16 - Measure the length of the ship in a straight line along the upper side of the tonnage deck from the inside of the inner plank (average thickness) at the side of the stem to the inside of the...
Sida 21 - ... and the result will give, in superficial feet, the mean horizontal area of such space...
Sida 21 - In ascertaining the tonnage of open vessels, the upper edge of the upper strake is to form the boundary line of measurement, and the depth shall be taken from an athwartship line, extending from the upper edge of said strake at each division of the length.
Sida 19 - Number the areas successively one, two, three, and so forth, number one being at the extreme limit of the length at the bow, and the...
Sida 19 - ... multiply the quantity thus obtained by one-third of the common interval between the breadths, and the product shall be deemed the transverse area.
Sida 19 - No. 1 being at the extreme limit of the length at the bow, and the "last number at the extreme limit of the length at the stern; then, whether the length be divided according to the table into...
Sida 19 - Measure the internal mean length of such space in feet, and divide it into an even number of equal parts of which the distance asunder shall be most nearly equal to...
Sida 18 - ... at each point of division of the length as follows: Measure the depth at each point of division from a point at a distance of one-third of the round of the beam below such deck; or, in case of a break, below a line stretched in continuation thereof, to the upper side of the floor timber, at the inside of the limber strake, after deducting the average thickness of the ceiling, which is between the bilge planks and limber...
Sida 20 - If the ship has a third deck, commonly called a spar deck, the tonnage of the space between it and the tonnage deck shall be ascertained as follows : — Measure in feet the inside length of the space at the middle of its height from the plank at the side of the stem to the lining on the timbers at the stern, and divide the length into the same number of equal parts into which the length of the tonnage deck is divided...

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