The shipwright's vade-mecum [by D. Steel].1805 |
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Resultat 1-5 av 99
Side 1
... taken as ante- cedents , and the other as consequents ; if the ratio or difference of each couplet be the same , the couplets are said to be in proportion ; and their terms are called proportionals . Thus in the two couplets 4 , 6 , and ...
... taken as ante- cedents , and the other as consequents ; if the ratio or difference of each couplet be the same , the couplets are said to be in proportion ; and their terms are called proportionals . Thus in the two couplets 4 , 6 , and ...
Side 2
David Steel. be taken thus , 4 , 8 , 16 , 32 , or thus , 8 , 4 , 32 , 16 — they are geometrical proportionals . Proportion may be divided into continued and discontinued . If the difference or ratio of the consequent of one couplet , and ...
David Steel. be taken thus , 4 , 8 , 16 , 32 , or thus , 8 , 4 , 32 , 16 — they are geometrical proportionals . Proportion may be divided into continued and discontinued . If the difference or ratio of the consequent of one couplet , and ...
Side 25
... taken together , contain 180 degrees , being equal to two right angles , as demonstrated hereafter . In a right - angled plane triangle , the sum of its two acute angles is 90 degrees . The Complement of an arch , or of an angle , is ...
... taken together , contain 180 degrees , being equal to two right angles , as demonstrated hereafter . In a right - angled plane triangle , the sum of its two acute angles is 90 degrees . The Complement of an arch , or of an angle , is ...
Side 28
... taken , there will re- main the trapezium A BeC equal to the trapezium abDe . Now the tra- pezium ABeC , added to the triangle CeD , is equal to the parallelogram ABCD : and the trapezium ab De , added to the triangle C e D is equal to ...
... taken , there will re- main the trapezium A BeC equal to the trapezium abDe . Now the tra- pezium ABeC , added to the triangle CeD , is equal to the parallelogram ABCD : and the trapezium ab De , added to the triangle C e D is equal to ...
Side 32
... taken from the scale of chords , describe the arc ce . Then take , in the compasses , from the same scale of chords , the proposed number of degrees , and A apply them from e to c . A line A c , drawn through the point c , will then ...
... taken from the scale of chords , describe the arc ce . Then take , in the compasses , from the same scale of chords , the proposed number of degrees , and A apply them from e to c . A line A c , drawn through the point c , will then ...
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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
Populære avsnitt
Side 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.
Side 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...
Side 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.
Side 21 - To find then the logarithm of a vulgar fraction, subtract the logarithm of the denominator from that of the numerator.
Side 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.
Side 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...
Side 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.
Side 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.
Side 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...
Side 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.