The naval architect's and shipbuilder's pocket-book of formulae, rules, and tables and marine engineer's and surveyor's handy book of reference (1884)
Mackrow, Clement · London, C. Lockwood and co. · leaf 196
ngth of Length of Knots Entrance Run in Enots Entrance Run in per Hour in Feet Feet per Hour in Feet Feet 1 •562 -375 11 68-00 45-38 2 2-248 1-500 12 80-93 54-00 3 5-058 3-375 13 94-98 6.3-38 4 8-992 6-000 14 110-15 73-50 5 14-050 9-375 15 126-45 84-38 6 20-232 13-500 16 143-87 96-00 7 27-538… … Method of Coxsteuction of Exteaxce of Wave-line. Let AB = length of entrance, and BC the diameter of semi-circle = the half- Fiq, 144^breadth ; divide thelength AB into thesame number of equalparts as the circum-ference of the semi-circle ; then throughthe points of divisionof the semicircle…
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