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CHAP. XLIV. (Book 44)
Suppose you have a Plat to draw on one or many Sheets of Paper, and you would draw it as large as the Paper will bear; to know what Scale you shall draw it by. (Book 44)
IF it be a sheet of Dutch Paper, about 21 Inches long, and the length of the Draft you would draw is 402 foot long, and you would draw it as large as you can on this sheet, that your work may shew it self the better, and yet not to go off of the Paper; now to know of what Scale of so many parts in one Inch to draw your Draft by, do thus: Divide the Length of your Draft by the length of your Paper, and the Quotient shews how many parts that Inch must be di∣vided into, to draw this Draft by; as,
Example.
402 divided by 21, gives in the Quotient 19 and 3 over; so then, you may draw this Draft on this Paper, which is 21 Inches, by a Scale of one Inch divided into 19 parts.
〈 math 〉〈 math 〉But if it be a sheet of ordinary Paper, of 16 Inches long, and you would draw the same Draft on it, though in a less Form, then di∣vide 402 by 16.
〈 math 〉〈 math 〉So that for a sheet of 16 Inches long, a Scale of one Inch divided into 25 parts, will serve to draw your Draft by on such a Paper.
But if it be required to draw the Draft of a Garden, or the like, on a quarter of a sheet of Paper, then observe the ensuing Directions.