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 - Building - 182 pages |
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Page 561
... force to compress them equally on each side , and more particularly when the pieces are light ; for this pur póse iron bolts are used , which act as a tie , and possess the same effect as two equal and opposite forces would have in ...
... force to compress them equally on each side , and more particularly when the pieces are light ; for this pur póse iron bolts are used , which act as a tie , and possess the same effect as two equal and opposite forces would have in ...
Page 562
... force . Fig . 559 represents a scarf with parallel joints , and a single table upon each piece . In this the cohesive strength is decreased in a greater degree than the preceding example , by the projection of the table ; but this ...
... force . Fig . 559 represents a scarf with parallel joints , and a single table upon each piece . In this the cohesive strength is decreased in a greater degree than the preceding example , by the projection of the table ; but this ...
Page 565
... force is to fall on the plane of the sides ; and if a number of pieces thus liable to lateral pressure on either side , are to be framed into two other stiff pieces , the mortise and tenon will prove best for the purpose . If it be ...
... force is to fall on the plane of the sides ; and if a number of pieces thus liable to lateral pressure on either side , are to be framed into two other stiff pieces , the mortise and tenon will prove best for the purpose . If it be ...
Page 566
... force , when the pieces are placed together , the dove - tail will be sufficiently strong without the assistance of pins , spikes , or bolts . This con- struction requires the timbers to be well seasoned ; for otherwise the shrinking ...
... force , when the pieces are placed together , the dove - tail will be sufficiently strong without the assistance of pins , spikes , or bolts . This con- struction requires the timbers to be well seasoned ; for otherwise the shrinking ...
Page 569
... force , while the lower part , which sustains the ceiling , remains immovable . Partitions are constructed of a number of pieces of tim- ber , called scantling , placed vertically , at a specified dis- tance from each other , dependent ...
... force , while the lower part , which sustains the ceiling , remains immovable . Partitions are constructed of a number of pieces of tim- ber , called scantling , placed vertically , at a specified dis- tance from each other , dependent ...
Common terms and phrases
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
Popular passages
Page 674 - The square of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the other two sides.
Page 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.
Page 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.
Page 679 - Find also the area of the triangle, formed by the chord of the segment and the two radii of the sector. Then...
Page 680 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.
Page 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.
Page 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.
Page 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.
Page 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...
Page 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...