| Alfred Wrigley - Mathematics - 1862 - 330 pages
...of brick-work is 3 half-bricks ; any other thickness must be reduced to this standard by multiplying the superficial content of the wall by the number of half- bricks, and dividing the product by 3. The standard rod of brick-work contains 272^ square feet. Ex. 14. 1.... | |
| Thomas Baker (C.E.) - 1865 - 174 pages
...WORK. Brick-work is usually estimated by the rod at the rate of a brick and a half thick ; so that if a wall be more or less than this standard thickness, it must be reduced to it, as follow? : Multiply the superficial content of the wall by the number of half bricks in thickness, and... | |
| Francis Walkingame - 1865 - 222 pages
...of the wall is more or less it must be reduced to that thickness by this BULB. — Multiply the area of the wall by the number of half bricks in the thickness of the wall ; the product, divided by 3, gives the area. EXAMPLES. (35) If the area of a wall be 4085... | |
| Henry Pallett - Flour mills - 1866 - 354 pages
...foot. BRICKLAYER'S WORK. Brickwork is estimated at the rate of a brick and a half thick, so that if a wall be more or less than this standard thickness, it must be reduced to it as follows. Rule. — Multiply the superficial contents of the wall by the number of half bricks in the thickness,... | |
| Daniel O'Gorman - 1871 - 292 pages
...together, for the number of square feet in the surface of the wall. 2. Multiply this number of square feet by the number of half bricks in the thickness, and divide the product by 3 : the quotient will be the number of square feet a brick and a * For much practical information respecting... | |
| David White Goodrich - Ready-reckoners - 1873 - 220 pages
...contains 50 x 4 x 15=3 M. Brickwork is estimated at the rate of a brick and a half thick. So that if a wall be more or less than this standard thickness,...the superficial content of the wall by the number of half-bricks in the thickness, and divide the product by 3. The dimensions of a building may be taken... | |
| Henry H. Hutton - Measurement - 1882 - 178 pages
...wall be of any thickness, it must be reduced to this standard; this is done by multiplying the area of the wall by the number of half bricks in the thickness, and dividing the product by three. 110. Paving is measured by the square foot, or the square yard. 111.... | |
| Joseph Stockton - Arithmetic - 1839 - 216 pages
...wall be more or less than this standard thickness, it must be reduced to it by the following RULE. Multiply the superficial content of the wall by the...bricks in the thickness, and divide the product by 3 for the superficial feet in standard thickness. EXAMPLES. If a wall be 72 feet 6 inches long, and 19... | |
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