The principles and practice of arithmetic and mensuration: with the use of logarithms


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Σελίδα 17 - = 1 Hour 24 Hours => 1 Day 7 Days = 1 Week 28 Days =• 1 Lunar Month 28, 29, 30, or 31 Days = 1 Calendar Month 12 Calendar Months...
Σελίδα 17 - The term, however, when used to express the fineness of gold, has a relative meaning only. Every mass of alloyed gold is supposed to be divided into 24 equal parts ; thus the standard for coin is 22 carat fine, that is, it consists of 22 parts of pure gold and 2 parts of alloy.
Σελίδα 13 - An inch is the smallest lineal measure to which a name is given, but subdivisions are used for many purposes. Among mechanics, the inch is commonly divided into eighth*.
Σελίδα 16 - By comparing the number of grains in the Avoirdupois and Troy pound and ounce respectively, it appears that the Troy pound is less than the Avoirdupois, in the proportion of 14 to 17 nearly ; but the Troy ounce is greater than the Avoirdupois, in the proportion of 79 to 72 nearly.
Σελίδα 164 - PAINTERS' WORK. PAINTERS' work is computed in square yards. Every part is measured where the colour lies ; and the measuring line is forced into all the mouldings and corners. Windows are done at so much a piece. And it is usual to allow double measure for carved mouldings, &c.
Σελίδα 9 - By division we ascertain how often one number is contained in another. The number to be divided is called the dividend. The number to divide by is called the divisor. The number of times the dividend contains the divisor is called the quotient.
Σελίδα 85 - Multiply the divisor, thus augmented, by the last figure of the root, and subtract the product from the dividend, and to the remainder bring down the next period for a new dividend.
Σελίδα 168 - In turning a one-horse chaise within a ring of a certain diameter, it was observed that the outer wheel made two turns, while the inner made but one: the wheels were both 4 feet high ; and supposing them fixed at the distance of 5 feet asunder on the axletree, what was the circumference of the track described by the outer wheel ? Ans. 62-83 feet. QUEST. 12. What is the side of that equilateral triangle, whose area cost as much paving at 8d.
Σελίδα 111 - If 248 men, in 5 days, of 11 hours each, can dig a trench 230 yards long, 3 wide, and 2 deep, in how many days, of 9 hours each, will 24 men dig a trench...
Σελίδα 14 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...

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