A Complete System of Mensuration ...1851 |
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Página 136
... allowed ; and great care ought to be taken lest the needle be attracted by some metallic substance in its neighbourhood . Ans . 1462335.12 sq . links ( 2. ) FIELD - BOOK . Left offsets . Main lines . Right offsets . Diagonal AC , bears ...
... allowed ; and great care ought to be taken lest the needle be attracted by some metallic substance in its neighbourhood . Ans . 1462335.12 sq . links ( 2. ) FIELD - BOOK . Left offsets . Main lines . Right offsets . Diagonal AC , bears ...
Página 156
... allowed . No rough timber under 6 inches dia- meter is accounted measurable . NOTE 2. The common rule gives the content too small , by 3 feet on every 11 feet of content ; yet it is universally used in practice , being originally ...
... allowed . No rough timber under 6 inches dia- meter is accounted measurable . NOTE 2. The common rule gives the content too small , by 3 feet on every 11 feet of content ; yet it is universally used in practice , being originally ...
Página 160
... allowed ; but no allowance is made for belts on ashlar fronts . An allowance of 9 inches square by the length is made for levelling for bond timbers and ragulates for roofs in the chim- ney - heads only ; 1 foot by 9 inches is allowed ...
... allowed ; but no allowance is made for belts on ashlar fronts . An allowance of 9 inches square by the length is made for levelling for bond timbers and ragulates for roofs in the chim- ney - heads only ; 1 foot by 9 inches is allowed ...
Página 162
... allowed three measures . When pannels are sunk on ashlar work , after they are in- cluded in the surface , the sunk part , and that round the edges , are taken over again ; but if a moulding is round it , the whole is taken as moulded ...
... allowed three measures . When pannels are sunk on ashlar work , after they are in- cluded in the surface , the sunk part , and that round the edges , are taken over again ; but if a moulding is round it , the whole is taken as moulded ...
Página 163
... allowed about 3 inches broad on each angle over and above the net girts . In measuring curb - stones , besides the upper bed , 6 inches are allowed on the edge , of the same work with the upper bed . Hewn work of every kind , as well as ...
... allowed about 3 inches broad on each angle over and above the net girts . In measuring curb - stones , besides the upper bed , 6 inches are allowed on the edge , of the same work with the upper bed . Hewn work of every kind , as well as ...
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Términos y frases comunes
18 feet 18 inches 20 feet 9 inches ABCD acres arch arithm axis base base 36 bound breadth central distance centre chord circle circular circumference cosine cubic feet cubic inches curve cylinder diagonal divided double measure draw EDINBURGH ACADEMY ellipse equal feet 6 inches feet long find the area find the solid fleur-de-lis frustum Geom girt given gonal greatest diameter half the sum hyperbola hypotenuse inches broad logarithm mouldings multiply NOTE parabola parallel pentagonal pyramid perches perpendicular perpendicular height poles polygon PROB pyramid quotient radius Required the area Required the content Required the solid Required the surface right angle roods RULE segment side-walls sides solid content spheroid spindle square feet square foot square yard station straight line subtract taken tangent THEODOLITE thickness triangle ABC versed sine
Pasajes populares
Página 74 - To twice the length of the base add the length of the edge ; multiply the sum by the breadth of the base, and by one-sixth of the height.
Página 188 - I would have a square foot cut off parallel to the shorter edge ; I would then have the like quantity divided from the remainder parallel to the longer side...
Página 57 - So IS THE AREA OF THE CIRCLE, TO THE AREA OF THE SECTOR.
Página 64 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Página 12 - Quadrilateral ; of five sides a Pentagon ; of six sides a Hexagon ; of seven sides a Heptagon ; of eight sides an Octagon ; of nine sides a Nonagon ; of ten sides a Decagon ; of twelve sides a Dodecagon.
Página 71 - To find the solidity of a cone. RULE. Multiply the area of the base by the perpendicular height, and ^ of the product will be the solidity.
Página 36 - Art. 191. THE area or surface of a figure is the number of square inches, feet, yards, &c., which it contains. A square constructed upon a straight line, of which the length is an inch, is called a square inch; and the same is to be understood of a square foot, &c. This is called the measuring unit, and the area of any figure is the number of times it contains the measuring unit. Art. 192. To FIND THE AREA OF A TRIANGLE.
Página 144 - To prove that the exterior angle of a triangle is equal to the sum of the two interior opposite angles (see fig.
Página 33 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Página 88 - 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...