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 |
From inside the book
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Page 539
... plane , supported only at its extre- mities , and concave towards the plane . The upper surface of an arch is called the extrados ; and the under surface , or that which is opposite the plan , the intrados . The supports of an arch are ...
... plane , supported only at its extre- mities , and concave towards the plane . The upper surface of an arch is called the extrados ; and the under surface , or that which is opposite the plan , the intrados . The supports of an arch are ...
Page 547
... plane , or rising ground , the foundation must be made to rise in a series of level steps , according to the general line of the ground , to insure a firm bed for the courses , and prevent them from sliding ; for if this mode be not ...
... plane , or rising ground , the foundation must be made to rise in a series of level steps , according to the general line of the ground , to insure a firm bed for the courses , and prevent them from sliding ; for if this mode be not ...
Page 560
... plane , which takes a thin shaving off the surface of the wood , as it is moved backwards and forwards in a straight line by the hands of the workmen . There are , however , other operations of the plane besides that of re- ducing ...
... plane , which takes a thin shaving off the surface of the wood , as it is moved backwards and forwards in a straight line by the hands of the workmen . There are , however , other operations of the plane besides that of re- ducing ...
Page 561
... plane , form a close joint , called by workmen a scarf . It is manifest , that two bodies , joined together and intended to act as one continued piece , in a state of tension , or compression , cannot , by any possi- ble means , be so ...
... plane , form a close joint , called by workmen a scarf . It is manifest , that two bodies , joined together and intended to act as one continued piece , in a state of tension , or compression , cannot , by any possi- ble means , be so ...
Page 564
... plane with those of the other . The angle or angles so formed will be either right or obtuse . Fig . 567 , is an example of a notched joint , which is the most common and simple form , and , in some cases , the strongest for joining two ...
... plane with those of the other . The angle or angles so formed will be either right or obtuse . Fig . 567 , is an example of a notched joint , which is the most common and simple form , and , in some cases , the strongest for joining two ...
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...