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THE demand for this work still continuing, not willstanding the publication of other works on Arithmetick and the higher branches of the Mathematicks, is evidence of its intrinsick merit, and has induced the Proprietors of the copyright to present ihe publick with a new and improved Edition.
Application was made to the Author, requesting him to revise and improve the work for a new Edition ; but he declined on account of want of health, and the Gentleman, whom we employed, was engaged by the Author's consent, and improved and corrected the work agreeably to his dire&ions and advice.
The most important improvement in this Edition, is the introduction of exam. ples in the Federal Currency under each rule ; and while this was considered necessary, in order to extend the knowledge and use of that
it thought important not to omit examples in pounds, shillings and pence, which are, and will continue to be, the basis of many arithmetical questions ; and therefore an acquaintance with them will always be useful.
Mr. Nathanie LORD, 3d. of Ipswich, the Gentleman employed to correct and improve the work, has bestowed much attention upon it, and has received from Mr. Pike all the information and advice he desired. The manner in which Mr. Lord has executed the task entrusted to him, will, we hope, gain additional reputation for the work, and entitle him to the thanks of the publick.
THOMAS & ANDREWS. Boston, April, 1808.
Some errours, which escaped corre&ion, are noticed in an errata, at the end of the work.
in Federal Money
Use of the Barometer in Measuring Heights
Table of the Weight of Money
Table of the Value of sundry Pieces in the several States
of the net Proceeds, after the Commissions at 24 and 5 per cent. are
Table Thewing the number of Days from any day in one month to any day
in any other month
'Table of the Measure of Length of the principal places in Europe compar.
ped with the American Yard
Table directing how to buy and sell by the Hundred Weight
Comparison of the American Foot with the Feet of other Countries
Table to cast up Wages or Expenses for a year, at so much per day, week, or
Table to find Wages, or Expenses for a month, week or day, at so much per
A Perpetual Almanack
Tables reducing Troy Weight to Avoirdupois, and the contrary
9. To find the Times of the New and Full Moon, and first and last Quar-
25. To measure a Sector
Directions for applying Superficies to Surveying
Article 28. To measure a Cube
33. To measure the Frustum of a Pyramid or Cone
'The Proportions and Tonnage of Noah's Ark