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
Results 1-5 of 26
Page 533
... Passing through the centre , and terminating in a pivot at the bottom , is a strong perpendicular shaft with similar ... passes through an orifice at the bottom into a receiver placed for that purpose . The clay is taken from the re ...
... Passing through the centre , and terminating in a pivot at the bottom , is a strong perpendicular shaft with similar ... passes through an orifice at the bottom into a receiver placed for that purpose . The clay is taken from the re ...
Page 540
... passes set to any one of these divisions , run it as many times along AC as the semicircle is divided into ; then draw lines , perpendicular to BC , through every division in the semicircle and the line CA , and set the dis- tance 1b ...
... passes set to any one of these divisions , run it as many times along AC as the semicircle is divided into ; then draw lines , perpendicular to BC , through every division in the semicircle and the line CA , and set the dis- tance 1b ...
Page 567
... passes the end of the other at a small distance . No. 1 represents the pieces before joined . Fig . 569 shews how two pieces may be joined by what is termed a mitre . In this case , the two pieces should be fixed to another by a bolt at ...
... passes the end of the other at a small distance . No. 1 represents the pieces before joined . Fig . 569 shews how two pieces may be joined by what is termed a mitre . In this case , the two pieces should be fixed to another by a bolt at ...
Page 578
... passing through the centre of the sphere . Fig . 591 , No. 1. From the centre C draw the ground - plan of the ribs , and set out as many ribs upon the plan as you intend to have in the head of the niche . With the foot of your compasses ...
... passing through the centre of the sphere . Fig . 591 , No. 1. From the centre C draw the ground - plan of the ribs , and set out as many ribs upon the plan as you intend to have in the head of the niche . With the foot of your compasses ...
Page 577
... passing through its centre is equal , and the greatest that can be formed by cutting the sphere ; it is evident , that if the head of a niche is intended to form a spherical surface , the ribs may be all formed by one mould , whose ...
... passing through its centre is equal , and the greatest that can be formed by cutting the sphere ; it is evident , that if the head of a niche is intended to form a spherical surface , the ribs may be all formed by one mould , whose ...
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...