The practical surveyor, or, the art of land-measuring, made easy ... / By Samuel Wyld.
- Wyld, Samuel
- Date:
- 1725
Licence: Public Domain Mark
Credit: The practical surveyor, or, the art of land-measuring, made easy ... / By Samuel Wyld. Source: Wellcome Collection.
25/224
![Shelving how to make a Tlott of a Piece of Land by the Plain Pable, and caft up the Content thereof. SECT. I. Geometrical Superficies or Sur¬ face, is produc’d or form’d by the Motion of a Line, as that is de¬ fer] bd by the Motion of a Point, for if a b, in Fig. i. be equally mov'd upon the fame Plane to c dy then will the Points at <2 and by deferibe the two Lines a c7 and b and by fb doing, they will generate the Superficies or Fi¬ gure abed, being the Quantity of two Dimen¬ sions, viz. it hath Length and Breadth (but not Thicknefs,) confequently the Bounds or Limits of a Superficies are Lines ^ fb if the Line a by doth contain in Length five Chains, and the Line a e B two](https://iiif.wellcomecollection.org/image/b30505586_0025.jp2/full/800%2C/0/default.jpg)