A Treatise on Mensuration for the Use of SchoolsCommissioners of national education, 1837 - 262 sider |
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Side 128
... the lower line D , is a single one , proceeding from 4 to 40 , and is called the girt line from its use in finding the content of timber . Upon it are also marked W G at 17 · 15 , A G at 1895 , and IG at 18-8 . These are the wine , 128.
... the lower line D , is a single one , proceeding from 4 to 40 , and is called the girt line from its use in finding the content of timber . Upon it are also marked W G at 17 · 15 , A G at 1895 , and IG at 18-8 . These are the wine , 128.
Side 133
... and mean breadth 3 feet 3 inches ? PROBLEM II . Ans . 65 . To find the solta content of squared or four - sided timber . RULE . Take half the sum of the breadth and depth in the middle , ( that is , the quarter girt TIMBER MEASURE . 133.
... and mean breadth 3 feet 3 inches ? PROBLEM II . Ans . 65 . To find the solta content of squared or four - sided timber . RULE . Take half the sum of the breadth and depth in the middle , ( that is , the quarter girt TIMBER MEASURE . 133.
Side 134
... girt , ) square this half sum , and multiply it by the length for the solid content . * BY THE CARPENTERS ' RULE . As 12 on D length on C :: quarter girt on D : the solid content on C. 1. If a piece of squared timber be 3 feet 9 inches ...
... girt , ) square this half sum , and multiply it by the length for the solid content . * BY THE CARPENTERS ' RULE . As 12 on D length on C :: quarter girt on D : the solid content on C. 1. If a piece of squared timber be 3 feet 9 inches ...
Side 135
... girt . C As 18 D D C 12 : 14.9 : 28-6 the content . Note . When the piece to be measured tapers regularly from one end to the other , either take the mean breadth and depth in the middle , or take the dimensions at both ends , and half ...
... girt . C As 18 D D C 12 : 14.9 : 28-6 the content . Note . When the piece to be measured tapers regularly from one end to the other , either take the mean breadth and depth in the middle , or take the dimensions at both ends , and half ...
Side 139
... girt , in 12ths or 10ths on D : content on C. Note . When the tree is very irregular , divide it into several ... girt 42 inches ; what is its content ? 3.5 quarter girt . 3.5 12.25 9.5 length . 116 375 content . 3.6 quarter girt . 3.6 ...
... girt , in 12ths or 10ths on D : content on C. Note . When the tree is very irregular , divide it into several ... girt 42 inches ; what is its content ? 3.5 quarter girt . 3.5 12.25 9.5 length . 116 375 content . 3.6 quarter girt . 3.6 ...
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A Treatise on Mensuration for the Use of Schools Commissioners of National Education in Ireland Uten tilgangsbegrensning - 1837 |
Vanlige uttrykk og setninger
12 feet 20 feet 20 inches 9 inches abscissa acres altitude Appendix Area Seg base cask centre circular circular segment circumference circumscribed circle conjugate contained cube cubic feet cubic inches cylinder cylindroid deduct Demonstration depth dimensions distance divide elliptical equal in area feet 6 inches feet 9 figure find the area find the content find the solidity foot frustum give the area given half hyperbola imperial gallons inches broad last product line A B measure middle diameter multiply the sum nonagon ordinate parallel perches perpendicular perpendicular height piece of timber prism PROBLEM VIII product will give pyramid quarter girt quotient radius remainder required its solidity required the area required the solidity rhombus right angles roof RULE sector segment slant height SLIDING RULE solid content solid feet specific gravity sphere spheroid square pyramid square root superficial content surface thickness trapezium triangle versed sine vessel zone
Populære avsnitt
Side 245 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Side 42 - From eight times the chord of half the arc, subtract the chord of the whole arc, and divide the remainder by 3, and the quotient will be the length of the arc, nearly.
Side 185 - ... 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 place in the ship, be it either above or below the main wales...
Side 162 - PAINTERS' WORK. PAINTERS' work is computed in square yards. Every part is measured where the colour lies ; and the measuring line is forced into all the mouldings and corners. Windows are done at so much a piece. And it is usual to allow double measure for carved mouldings, &c.
Side 50 - BAC is cut off from the given circle ABC containing an angle equal to the given angle D : Which was to be done. PROP. XXXV. THEOR. If two straight lines within a circle cut one another, the rectangle contained by the segments of one of them is equal to the rectangle contained by the segments of the other.
Side 3 - 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 6 - The diameter of a circle is a straight line passing through the center, and terminated, both ways, by the circumference.
Side 95 - Rule 2. From three times the diameter of the sphere subtract twice the height of the segment; multiply this remainder by the square of the height and the product by 0.5236.
Side 133 - Rule. Set 12 on B to the breadth in inches on A ; then against the length in feet on B, is the content on A> in feet and fractional parts.
Side 49 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector. Then...