## Geodęsia: Or, The Art of Surveying and Measuring Land Made Easie |

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14 Chains 20 Links Acres againſt alſo Angle Anſwer Baſe begin Book Breadth called Centre Chords Circle Co-fine Co-tangent Compaſſes contained Content convenient Degrees Diameter direct Diſtance divide Diviſion draw the Line equal Example extent fall Feet Field Field-Book Figure firſt five fixed four give given half Hedge Inch Index Inſtrument Interſection Land laſt Laſtly length Line A B Links Logarithm look Mark meaſure multiply muſt Needle North Note Number Off-ſet Parallel Perches Perpendicular Plot Point Product Protractor Quantity Quotient reduce remains reſt Right Angle Roods Root round ſame ſay Scale ſecond ſee Semi-circle ſetting one Foot ſhall ſhew ſide Sides Sights Sine Square ſtands Station ſuch ſuppoſe Survey Table taken Tangent taught thereof theſe thing Title Triangle true turn uſe whole whoſe Yards

### Popular passages

Page 54 - Inftruments for the taking of an , Angle in the Field. There are but two material things (towards the meafuring of a piece of Land ) to be done in the Field ; the one is to meafure the Lines ( which I have...

Page 159 - We wish to prove that The three angles of any triangle are equal to two right angles. Let...

Page 60 - Lines or not, if you can write ftreight, and in good order, the Figures directly one under another. For this I leave you chiefly to your own fancy ; for I believe there are not two Surveyors in England, that have exactly the fame Method for their Field Notes. Of the Scale.

Page 154 - All Circles are in proportion ,to one another as the Squares of their Diameters ; therefore, if you divide the Square of the Diameter or Semidiameter, and extract the Root, you wit!

Page 52 - Inches : The Defcription of which Chain, and how to reduce it into any other Meafure, you have at large in the foregoing Chapter of Meafure. In this place I fhall only give you fome few Directions for the Ufe of it in meafuring Lines. Take care that they who carry the Chain deviate not from a ftrait Line ; which you may do by ftanding at your Inftrument, and looking thro...