Geodaesia Improved; Or: A New and Correct Method of Surveying Made Exceeding Easy. In Two Parts. teacheth to measure, divide, and delineate, any quantity of land ... by the chain only, whose dimensions are cast up by the pen, and consequently freed from the errors of estimation that unavoidably attend the scale and protractor .... introduces instruments, trigonometry, preparative remarks on the earth's superficies; and teacheth the invaluable method of casting up the dimensions of instruments by the pen several ways, all agreeing, &c&c. With a most useful appendix concerning the practical methods of measuring timber, hay, marl pits, bricklayers and plaisterers work ..., Parts 1-2
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Page 62 - Rule. Multiply the decimal given by the number of parts of the next inferior denomination, cutting off the decimals from the product; then multiply the remainder by the next inferior denomination ; thus proceeding till you have brought the least known parts of the integer.
Page 61 - II. To find the Value of a decimal Fraction, in the known Parts of the Integer. Multiply the decimal proposed into the number of equal parts contained in the integer, and the product will be the number of such parts as are expressed by by the fraction.
Page 299 - ... beft Way to do this, is, if your Plot be not over-large, to plat it over again by a fmaller Scale: But if it be large, as the Map of a County, or the like, the only way is to compafs in the Plot firft with one great Square :, and afterwards to divide that into as many little Squares as you fhall fee convenient. Alfo make the...
Page 66 - This is 451584 (6 your firft work, and is no more to be ... repeated. 2. To the remainder bring down...
Page 45 - DECIMAL FRACTIONS. A Decimal Fraction is a fraction whose denominator is 1, with as many cyphers annexed as there are places in the numerator, and is usually expressed by writing the numerator only with a point prefixed to it : thus TO> rVï» Vïï2ffV> are decimal fractions, and are expressed by .5, .75, .625.
Page 57 - This is but the converfe of the former ; for if you divide unity with ciphers annexed by the given divifor, the quotient will be the multiplicator fought. EXAMPLE. What multiplicator is that by which multiplying...
Page 10 - The Multiplicand, or Number to be multiplied. Secondly, The Multiplier, or Number by which we multiply. Thirdly, The Product, or the Number proceeding, or produced from both. . , In Multiplication it holds, As an Unit : To the Multiplier : : So is the Multiplicand : To the Product. So if one Yard coft 5 Shillings, what will 64 Yards coft?
Page 20 - Quotient, or anfvver to the queftion, which fliews how often the divifor is contained in the dividend. 4. The Remainder (which is always lefs than the divifor, and of the fame name with the dividend) is very uncertain, as there is fometimes a remainder, and fometimes none.