A complete treatise on practical land-surveying, in seven parts; . division-fence is chains?, andit divides the base into two parts, ichose lengthsare and chains A gentleman a garden had, Fivescore feet long and four score broad ; A walk of equal width half round He made, that took up half the ground : Ye skilful in geometry, Tell us how wide the walk must be. Ans. Note 1.—If the sum of the two diameters of an ellipse be multiplied , the product will be the circumference, exact enough for most prac-tical purposes. (See Question 22.
A complete treatise on practical land-surveying, in seven parts; . division-fence is chains?, andit divides the base into two parts, ichose lengthsare and chains A gentleman a garden had, Fivescore feet long and four score broad ; A walk of equal width half round He made, that took up half the ground : Ye skilful in geometry, Tell us how wide the walk must be. Ans. Note 1.—If the sum of the two diameters of an ellipse be multiplied , the product will be the circumference, exact enough for most prac-tical purposes. (See Question 22.) 2. All the foregoing Questions are taken from the Authors Treatise onPractical Mensuration ; consequently, their Solutions may be found in theKey to that Work. 392 LAND-SURVEYING. (Part VII. ADDENDA. The following figure represents the chain-lines, forming the2 trapeziums and the triangle, in Example 6, page 152.—When the learner constructs the figure, he must of course laydown the offsets, from the notes; and dot all the chain-lines,as before FINIS.
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