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DIAMETERS OF BOOMS AT THEIR DIFFERENT QUARTERS,
As they bear in Proportion to the given Diameter in the
Middle, in the Table of Dimensions.
Diver Booms and Booms in General
Diameter in the Middle of the Driver-Boom, others 2/3 from the End.
Quarters, 40/41 1ft, 11/12 2nd, 5/6 3d, Ends 2/3
Main Booms
Diameter at the Sheet
Quarters., 40/41 1ft, 12/13 2nd, 7/8 3d
ForeEnd 2/3
Middle 11/12
AfterEnd 3/4

DIAMETERS OF GAFFS, AT THEIR DIFFERENT QUARTERS, AS THEY BEAR IN PROPORTION TO THE GIVEN DIAMETER IN THE TABLE OF DIMENSIONS
GAFFS.
Diameter four feet from end
Quarters 40/41 1ft, 11/12 2d, 4/5 3rd
End 5/9

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