Instructions for the use of the slide-rule, applied to computations relating to practical husbandry; and of the cattle guage, for ascertaining the carcase weight of oxenJ. Hewitson, 1847 - 83 σελίδες |
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Συχνά εμφανιζόμενοι όροι και φράσεις
actual carcase weight avoirdupois breadth bushels CATTLE GAUGE chains circumference commencement crop cube cubic feet cubic yards depth diameter dimensions distance Ditto divide the product divisions divisor Dodecagon eaves EXAMPLES extraordinary fat feet 8 inches find the Solidity found the area gauge point girth 6 feet given number height for computation Holstein cattle Hygrometer hypothenuse imperial gallons Irish acres JOHN EWART length 5 feet live weight load per acre logarithm mean proportional Microscopes Newcastle-upon-Tyne Nonagon oblong stack operation perpendicular height ploughing prime fat quantity of hay quantity of land quotient result right angle roof round stacks Rule of Three Scottish acres second term Set the length Shetland cattle side Slide-rule solid content solidity required space square root square yards statute acres stones of 14 table of divisors Telescopes Theodolite Three Direct timber tons Tripod Folding-staff United Kingdom weight of cattle weight of oxen weight per acre دو وو
Δημοφιλή αποσπάσματα
Σελίδα 24 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.
Σελίδα 24 - Either of the two shorter sides of a right-angled triangle is equal to the square root of the difference of the squares of the hypothenuse and the other side.
Σελίδα 27 - Multiply the sum of the parallel sides by the perpendicular distance between them, and half the product will be the area.
Σελίδα 30 - RULE. Multiply the side of the cube by itself, and that product again by the side ; and the last product will be the solidity required.
Σελίδα 19 - It is a property of proportional numbers, derived immediately from the definition, that the product of the first and fourth terms is equal to the product of the second and third.
Σελίδα 21 - The Rule of Three takes its name from the circumstance that three numbers are always given to find a fourth, which shall bear the same proportion to one of the given numbers as exists between the other two.
Σελίδα 29 - Take one-third of the product of the area of the base and the altitude. To find the surface of a pyramid or cone : Multiply the perimeter of the base by one-half of the slant height. Add the area of the base. The areas of similar surfaces are to each other as the squares of their like dimensions.
Σελίδα 23 - Set one of the numbers on C, to the same on D ; then against the other number on C, will be the mean on D.
Σελίδα 14 - His method is founded on these three considerations: 1st, that the sum of the logarithms of any two numbers is the logarithm of the product of those numbers...
Σελίδα 30 - To find the volume of a prism or cylinder : Multiply the area of the base by the altitude.