The shipwright's vade-mecum [by D. Steel].1805 |
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Σελίδα 32
... described in the preceding problem . 15. To find the Centre of a Circle . Draw a chord , as AB , and bisect it perpendicu- larly with CD , which will be a diameter . Then bisect C D in the point O and that will be the cen- tre of the ...
... described in the preceding problem . 15. To find the Centre of a Circle . Draw a chord , as AB , and bisect it perpendicu- larly with CD , which will be a diameter . Then bisect C D in the point O and that will be the cen- tre of the ...
Σελίδα 33
... described by applying the edge of a sweep or bow so as to pass through the several points . Thus the round - up of beams , & c . is described . In practice an arch may be thus described by means of two chalked lines , fastening one at A ...
... described by applying the edge of a sweep or bow so as to pass through the several points . Thus the round - up of beams , & c . is described . In practice an arch may be thus described by means of two chalked lines , fastening one at A ...
Σελίδα 84
... described . BEVELLINGS . The windings or angles of the timbers , & c .; a term applied to any deviation from a square or right angle . Of Bevellings there are two descriptions , denominated Standing Bevellings and Under Bevellings . By ...
... described . BEVELLINGS . The windings or angles of the timbers , & c .; a term applied to any deviation from a square or right angle . Of Bevellings there are two descriptions , denominated Standing Bevellings and Under Bevellings . By ...
Σελίδα 92
... described hereafter , of several pieces , strongly united into one body , called the Barrel , and put in mo- tion by the levers named Capstan Bars , which fit into mortise holes in its head . Ships having a windlass , the capstan ...
... described hereafter , of several pieces , strongly united into one body , called the Barrel , and put in mo- tion by the levers named Capstan Bars , which fit into mortise holes in its head . Ships having a windlass , the capstan ...
Σελίδα 98
... described here , there is another sort which is shorter and portable . The latter is fitted in a frame composed of cheeks , across which are the partners , and at the bottom a small platform to receive the spindle , as Fig . 6 , Plate ...
... described here , there is another sort which is shorter and portable . The latter is fitted in a frame composed of cheeks , across which are the partners , and at the bottom a small platform to receive the spindle , as Fig . 6 , Plate ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
afore and abaft aftside angle beams bevellings bitts body plan body-plan bolts bowsprit broad butt cant timber capstan centre of gravity chant Brig cheek construction curve denominator described diagonal line diameter distance draw drawn equal fashion-piece fayed feet floor fore and aft forecastle foremost foreside frame Frigate futtock GUNS GUNS GUNS TONS half-breadth plan hawse-pieces head heel height of breadth horizontal line Inboard inches intersect iron keel keelson knee length likewise logarithm lower deck mast middle line mould Multiply parallel perpendicular placed plank Plate ports rabbet rail ribband rising line Royal Navy rudder sail SCANTLING scarphs Sheer Draught sheer plan sheer-plan ship's Sloop specific gravity spots square stem stern stern-post strakes sweep Table of Dimensions taffarel thick thwartship TONS TONS 74 TONS TONS TONS top-timber line topside treenails trimmed underside upper deck upper edge upperside vessel VULGAR FRACTIONS water lines wing transom
Δημοφιλή αποσπάσματα
Σελίδα 44 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Σελίδα 41 - Or, to take a case yet stronger, when it is affirmed, that " the area of a circle is equal to that of a triangle having the circumference for its base, and the radius for its altitude...
Σελίδα 25 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and these into thirds, etc.
Σελίδα 21 - To find then the logarithm of a vulgar fraction, subtract the logarithm of the denominator from that of the numerator.
Σελίδα 47 - To the length of the edge add twice the length of the back or base, and reserve the sum; multiply the height of the wedge by the breadth of the base; then multiply this product by the reserved sum, and onesixth of the last product will be the contents.
Σελίδα 50 - A SPHEROID is a solid, generated by the revolution of an ellipse about one of its diameters. If the ellipse revolves about its longer or...
Σελίδα 14 - In the same manner multiply all the multiplicand by the inches, or second denomination, in the multiplier) and set the result of each term one place removed to the right 'hand of those in the multiplicand. 4.
Σελίδα 17 - Find the greatest square in the left period, and place its root at the right; subtract the square of this root from the first period, and to the remainder annex the next period for a dividend.
Σελίδα 250 - ... the length shall be taken on a straight line along the rabbet of the keel, from the back of the main stern-post to a perpendicular line from the fore part 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 outside plank in the broadest part of the...
Σελίδα 21 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.