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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