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, Etc
J. Thompson, 1805 - 87 sivua
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19 feet 21 feet 2d power againſt alſo Anſwer board meaſure breadth and thickneſs circle being given circumference or girt Common method compaſſes from 12 cube root cubick feet decimal fraćtion diameter divided diviſions diviſor Duodecimally EXA M P L EXAMPLE Extend the compaſſes extent will reach feet long feet the content feet the length fide find the ſolid firſt foot in length FRANCIS SKINNER given number greater baſe inches inches broad inſcribed laſt leaſt leſſer mean area mean girt mean proportional Multiply the ſquare muſt PROBLEM produćt Queſ Queſt quotient R U L R U L E reach from 21 Required the content Required the ſolid ſame Scale and Compaſſes ſcantling ſecond ſet ſide Sliding rule ſolid content ſquare root ſquare timber ſtands ſuch ſuperficial content theſe thoſe True content True method uſe whole numbers whoſe length whoſe root
Sivu 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.
Sivu 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.
Sivu 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.
Sivu 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.
Sivu 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.
Sivu 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.
Sivu 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.
Sivu 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.