The length shall be taken on a straight Line along the Rabbet of the Keel of
the Ship, from the Back of the Main sternpost to a perpendicular Line from the
Forepart of the Main Stem under the Bowsprit, from which subtracting
Three-fifths of the Breadth, the Remainder shall be esteemed the just Length
of the Keel to find the Tonnage; and the Breadth shall be taken from the
outside of the Plank in the Broadest Place in the Ship, be it either above or
below the Main Wales, exclusive of all manner of doubling Planks that may be
wrought upon the Sides of the Ship; then multiplying the Length of the Keel by
the Breadth so taken, and that Product by Half the Breadth, and dividing the
whole by Ninety-four, the Quotient shall be be deemed the true Contents of the
[13 Geo III, c 74]
Transcribed by Lars Bruzelius
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Copyright © 1996 Lars Bruzelius.