A Complete Treatise on the Mensuration of Timber: Containing, Besides All the Rules Usually Given on the Subject, Some New and Interesting Improvements, Particularly the New Expeditions, and Very Accurate Method of Calculating the Contents of Square and Round Timber, EtcJ. Thompson, 1805 - 87 σελίδες |
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Σελίδα 4
... circles in feet ; or , it is a table of the folid contents of cylinders from 10 to 141 inches in circumference or girt , and 1 foot in length . I Thefe tables are extended to fix decimal places ; but in common practice , two or three ...
... circles in feet ; or , it is a table of the folid contents of cylinders from 10 to 141 inches in circumference or girt , and 1 foot in length . I Thefe tables are extended to fix decimal places ; but in common practice , two or three ...
Σελίδα 26
... circle being given to find the area . RULE . Multiply the fquare of the diameter by .785398 * or .7854 , and the product is the area . EXAMPLE . Required the area of a circle whose diameter is 22.6 inches . 22.6X22.6X.7854-401.150904 ...
... circle being given to find the area . RULE . Multiply the fquare of the diameter by .785398 * or .7854 , and the product is the area . EXAMPLE . Required the area of a circle whose diameter is 22.6 inches . 22.6X22.6X.7854-401.150904 ...
Σελίδα 27
... circle that is 71 inches in circumference ? 71X71X - 0795775 = 401.1501775 Answer . PROBLEM V. The area of a circle being given to find the diameter . RULE . Divide the area by .785398 , or .7854 ; the fquare root of the quotient is the ...
... circle that is 71 inches in circumference ? 71X71X - 0795775 = 401.1501775 Answer . PROBLEM V. The area of a circle being given to find the diameter . RULE . Divide the area by .785398 , or .7854 ; the fquare root of the quotient is the ...
Σελίδα 28
... circle being given to find the fide of a fquare that is equal in area to that circle . RULE . Multiply the diameter by the fquare root of .785398 and the product will be the fide of a square . EXAMPLE . Required the fide of a fquare ...
... circle being given to find the fide of a fquare that is equal in area to that circle . RULE . Multiply the diameter by the fquare root of .785398 and the product will be the fide of a square . EXAMPLE . Required the fide of a fquare ...
Σελίδα 29
... circle whofe circumference is 71 inches ? V.318309X.318309 2251X71 = 15.9821 Ans . PROBLEM XI . The area of a circle being given to find the fide of a fquare that may be infcribed within that circle . RULE . Multiply the area by .63662 ...
... circle whofe circumference is 71 inches ? V.318309X.318309 2251X71 = 15.9821 Ans . PROBLEM XI . The area of a circle being given to find the fide of a fquare that may be infcribed within that circle . RULE . Multiply the area by .63662 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
11 inches 19 feet 21 feet 3d power 9 inches againſt alfo baſe bers breadth and thickneſs circle being given circumference or girt Common method compaffes from 12 cube numbers cube root cubick feet cyphers decimal fraction diameter divided dividend divifions divifor Duodecimally EXAMPLE Extend the compaffes extent will reach extract the fquare fame feconds feet long feet the content feet the length find the fide find the folid firſt folid content foot in length fquare root fquare timber FRANCIS SKINNER ftands fuch fuperficial content gallons given number given to find Gunter's fcale inches broad inches fquare integer length in feet mean area mean girt mean proportional Multiply the fquare PROBLEM Queft quotient reach from 21 reduced to cubick Required the content Required the folid round log Scale and Compaffes Sliding rule ſquare tapering thick True content True method uſe whofe root whole numbers ΙΟ
Δημοφιλή αποσπάσματα
Σελίδα 2 - BBOWN, of the said district, hath deposited in this office the title of a book, the right whereof he claims as author, in the words following, to wit : " Sertorius : or, the Roman Patriot.
Σελίδα 14 - Denomination given, annex a competent Number of Cyphers, and divide by the Number of fuch Parts that are contained in the greater Denomination, to which the Decimal is to be be brought ; and the Quotient is the Decimal fought.
Σελίδα 12 - Multiply the remainder by the next inferior denomination, and cut off a remainder as before ; and so on through all the parts of the integer, and the several denominations standing on the left hand, make the answer.
Σελίδα 22 - EXTRACTION OF THE CUBE ROOT. A CUBE is any number multiplied by its square. To extract the cube root, is to find a number which, being multiplied into its square, shall produce the given number. RULE.
Σελίδα 33 - Dimenfions are generally taken in fret, inches, and parts. Inches and parts are fometimes called primes, feconds, thirds, &c. and are marked thus : inches or primes, ('}, feconds ("), thirds (>"), fourths (""), &c.
Σελίδα 18 - THE RAISING OF POWERS. A power is the product arising from multiplying any given number into itself continually a certain number of times; thus, 2x2= 4 the second power or square of 2.
Σελίδα 13 - DIVIDE by the number of parts in the next higher denomination ; continuing the operation to as many higher denominations as may be necessary, the same as in ReductionAscending of whole numbers.
Σελίδα 17 - Multiply the first and second terms together, and divide the product by the third ; the quotient will be the answer in the same denomination as the middle term was reduced into.
Σελίδα 9 - Rule. at the right hand, add up all the columns of numbers as in integers; and point off as many places for decimals, as are in the greatest number of decimal places in any of the lines that are added ; or place the point directly below all the other points.
Σελίδα 11 - REDUCTION OF DECIMALS. CASE I. To reduce a Vulgar Fraction to its equivalent Decimal. RULE. Annex cyphers to the numerator, and divide by the denominator ; and the quotient will be the decimal required.