The description and use of the carpenters-rule: together with the use of the line of numbers (inscribed thereon) in arithmetick and geometry. And the application thereof to the measuring of superficies and solids, gaging of vessels, military orders, interest and annuities: with tables of reduction, &c. : To which is added, the use of a (portable) geometrical sun-dial, with a nocturnal on the backside, for the exact and ready finding the hour of the day and night: and other mathematical conclusions. Also of a universal-dial for the use of seamen or others. With the use of a sliding or glasiers-rule and Mr. White's rule for solid measure. / Collected and fitted to the meanest capacity by J. Browne.

About this Item

Title
The description and use of the carpenters-rule: together with the use of the line of numbers (inscribed thereon) in arithmetick and geometry. And the application thereof to the measuring of superficies and solids, gaging of vessels, military orders, interest and annuities: with tables of reduction, &c. : To which is added, the use of a (portable) geometrical sun-dial, with a nocturnal on the backside, for the exact and ready finding the hour of the day and night: and other mathematical conclusions. Also of a universal-dial for the use of seamen or others. With the use of a sliding or glasiers-rule and Mr. White's rule for solid measure. / Collected and fitted to the meanest capacity by J. Browne.
Author
Brown, John, philomath.
Publication
London, :: Printed by W.G. for William Fisher ...,
1667.
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Subject terms
Mensuration -- Early works to 1800.
Mathematical instruments -- Early works to 1800.
Navigation -- Early works to 1800.
Link to this Item
http://name.umdl.umich.edu/A77649.0001.001
Cite this Item
"The description and use of the carpenters-rule: together with the use of the line of numbers (inscribed thereon) in arithmetick and geometry. And the application thereof to the measuring of superficies and solids, gaging of vessels, military orders, interest and annuities: with tables of reduction, &c. : To which is added, the use of a (portable) geometrical sun-dial, with a nocturnal on the backside, for the exact and ready finding the hour of the day and night: and other mathematical conclusions. Also of a universal-dial for the use of seamen or others. With the use of a sliding or glasiers-rule and Mr. White's rule for solid measure. / Collected and fitted to the meanest capacity by J. Browne." In the digital collection Early English Books Online 2. https://name.umdl.umich.edu/A77649.0001.001. University of Michigan Library Digital Collections. Accessed June 2, 2024.

Pages

2. Division by the Rule.

Set the Divisor found always on the first side, to 1 on the second side, then right against the Dividend found

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out on the first side, on the second is the Quotient required.

Example.

If I Divide 156 by 12, the Quo∣tient is 13, note to find how many figures shall be in the Quotient, do thus, if the two first figures of the Divisor, be greater than the two first figures of the Dividend, then the Quotient hath so many places or fi∣gures as there is more in the Divi∣dend then in the Divisor; but if it be less, that is to say, the Dividends two first figures greater than the Divi∣sors, then the Quotient shall have one place or figure more: then the Dividend exceeds the Divisor.

Example.

2964 Divided by 39 makes a Quo∣tient 76, of two figures, but if you Divide the same number by 18, you shall have the figures in the Quotient, viz. 164. and 12 remaining, or by the Rule two third parts of one more for the reason abovesaid, the two first figures of the Dividend being greater

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than the Divisor, it must have one place more than the difference of the number of figures, in the Multiplica∣tor and Multiplicand.

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