The Builder's Practical Guide: Containing a Complete Explanation of the Principles of Science, as Applied to Very Branch of Building ...: To which is Added an Appendix, Containing an Easy and Complete Introduction to the Scientific Principles of Geometry and Mensuration ...1830 - 182 σελίδες |
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Αποτελέσματα 1 - 5 από τα 36.
Σελίδα 530
... middle of the pier rest over the middle of the summit of the arch , the narrower the pier is , the greater should be the curvature of the arch at its apex . When suspended arches are used , the intrados ought to be kept clear of the ...
... middle of the pier rest over the middle of the summit of the arch , the narrower the pier is , the greater should be the curvature of the arch at its apex . When suspended arches are used , the intrados ought to be kept clear of the ...
Σελίδα 536
... middle , rather more than half the width of the side of the brick ; a shoulder will thus be left on either side of the groove , each of which will be nearly equal to one quarter of the width of the side of the brick , or to one half of ...
... middle , rather more than half the width of the side of the brick ; a shoulder will thus be left on either side of the groove , each of which will be nearly equal to one quarter of the width of the side of the brick , or to one half of ...
Σελίδα 538
... middle of every two thorough - stones in the course below ; and this disposition of bonds should be punctually attended to in all cases where the courses are of any great length . Some masons , in order to prove that they have ...
... middle of every two thorough - stones in the course below ; and this disposition of bonds should be punctually attended to in all cases where the courses are of any great length . Some masons , in order to prove that they have ...
Σελίδα 539
... middle ; because , if the beds are con- cave , the joints will most probably flush when the pillars begin to sustain the weight of the building . Care should also be taken , that every course of masonry in such piers be of one stone ...
... middle ; because , if the beds are con- cave , the joints will most probably flush when the pillars begin to sustain the weight of the building . Care should also be taken , that every course of masonry in such piers be of one stone ...
Σελίδα 548
... middle . In the winter , it is very essential to keep the unfinished wall from the alternate effects of rain and frost ; for if it is . exposed , the rain will penetrate into the bricks and mortar , and , by being converted into ice ...
... middle . In the winter , it is very essential to keep the unfinished wall from the alternate effects of rain and frost ; for if it is . exposed , the rain will penetrate into the bricks and mortar , and , by being converted into ice ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
Ansr arch architrave axis balusters bisect bolts breadth brick-work bricks building called carriages cast cast iron centre circle circular circumference colour construction cornices cubic curve cylinder describe diameter dimensions distance divide dome draw edge ellipsis engine equal face feet fibres find the Area fixed flat framed friction frustum groove half height hinge horizontal inches internal angle joining joint joists king-post laid laths length lime malleable iron measured method miles an hour mitre mitre joint mortar mortise and tenon mould multiply notch parallel parallelogram perpendicular pieces of timber placed plane plaster plaster of Paris plate principal rafters Prob proportion purlines quantity queen-posts radius rail railway rebate ribs right angles risers roof round sides slates soffit square stone straight string stucco surface thickness tie-beam transverse trapezium triangle truss upper velocity vertical waggon wall wheels wood workman
Δημοφιλή αποσπάσματα
Σελίδα 674 - The square of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the other two sides.
Σελίδα 664 - Proportion, when the ratio is the same between every two adjacent terms, viz. when the first is to the second, as the second to the third, as the third to the fourth, as the fourth to the fifth, and so on, all in the same common ratio.
Σελίδα 679 - MULTIPLY the radius, or half the diameter, by half the arc of the sector, for the area. Or, multiply the whole diameter by the whole arc of the sector, and take -f .of the product.
Σελίδα 679 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector. Then...
Σελίδα 680 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα 681 - Sides 5 6 7 8 9 10 To find the area of a polygon: Multiply the sum of the sides (perimeter of the polygon) by the perpendicular dropped from its center to one of its sides, and half the product will be the area. This rule applies to all regular polygons. FIGURE 3.57 Polygons.
Σελίδα 688 - To 3 times the square of the radius of the segment's base, add the square of its height ; then multiply the sum by the height, and the product by -5236, for the content.
Σελίδα 565 - The heart of a tree is never in its centre, but always nearer to the north side, and the annual coats of wood are thinner on that side. In conformity with this, it is a general opinion of carpenters that timber is stronger whose annual plates are thicker.
Σελίδα 627 - Indeed the greatest part of the mystery of painting stucco, so as to stand or wear well, certainly consists in attending to these observations ; for whoever has observed the expansive power of water, not only in congelation, but also in evaporation, must be well aware that when it meets with any foreign body obstructing its escape, as oil painting for instance, it immediately resists it, forming a number of vesicles or particles, containing an acrid...
Σελίδα 587 - ... lower floor : divide the rod into as many equal parts as there are to be risers, then, if you have a level surface to work upon below the stair, try each of the risers as you go on, and this will prevent any excess or defect ; for any error, however small, when multiplied, becomes of considerable magnitude, and even the difference of an inch in the last riser...