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 17
... second as the first has to the third . RULE . State and reduce the terms as in the rule of three direct in decimals , then multiply the first and second terms to- gether , and divide the product by the third , the quotient will be the ...
... second as the first has to the third . RULE . State and reduce the terms as in the rule of three direct in decimals , then multiply the first and second terms to- gether , and divide the product by the third , the quotient will be the ...
Σελίδα 19
... Second . Compound fquares , are compofed of more fig- ures than one , as roo , whofe root is 10 ; 121 , whofe root is II ; or 144 , whofe root is 12 , & c . Third . Irrational fquares , are compofed of fuch num- bers as 3 , 7 , 19 , 74 ...
... Second . Compound fquares , are compofed of more fig- ures than one , as roo , whofe root is 10 ; 121 , whofe root is II ; or 144 , whofe root is 12 , & c . Third . Irrational fquares , are compofed of fuch num- bers as 3 , 7 , 19 , 74 ...
Σελίδα 22
... Second . Compound cube numbers are all fuch , that are compofed of more figures than one ; as 1000 , whose root is 10 , or 1331 , whofe root is 11 , or 1728 , whofe root is 12 , & c . Third . Irrational cube numbers are thofe , whofe ...
... Second . Compound cube numbers are all fuch , that are compofed of more figures than one ; as 1000 , whose root is 10 , or 1331 , whofe root is 11 , or 1728 , whofe root is 12 , & c . Third . Irrational cube numbers are thofe , whofe ...
Σελίδα 30
... second interval , or end of the line , is marked with 10 . Whatever value is affigned to the first 1 , towards the left hand , ( whether 1 , 10 , 100 , & c . ) the following inte- gral numbers , 2 , 3 , 4 , & c . will reprefent in ...
... second interval , or end of the line , is marked with 10 . Whatever value is affigned to the first 1 , towards the left hand , ( whether 1 , 10 , 100 , & c . ) the following inte- gral numbers , 2 , 3 , 4 , & c . will reprefent in ...
Σελίδα 31
... second small divifion from 6 , be- tween 6 and 7 in the first interval : The number 435 is thus reckoned , from the 4 in the second interval count to wards the 5 on the right , three tens , and by the eye one- half , which will be the ...
... second small divifion from 6 , be- tween 6 and 7 in the first interval : The number 435 is thus reckoned , from the 4 in the second interval count to wards the 5 on the right , three tens , and by the eye one- half , which will be the ...
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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.