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12 Chains 50 Links 90 Degrees Base 26 Breadth Centre Chains 00 Links Chains and Links CHAP Circumferentor Co-fine Co-tangent Compasses the length convenient describe the Arch Diameter divide draw a Line draw Lines draw the Line Ellipsis espy the mark Example Feet are contained Field Field-Book fixed Sights given Line grees half Hedge Heptagon Hypothenuse Inches Instrument Intersection Lastly Line A B Line given Line of Chords Line Parallel Logarithm measure the distance multiplied Needle North number of Equal Off-set outward Angle P R O Paper Parallelogram Pentagon Perpendicular PROB Proportion Protractor Quotient Radius Regular Polygon Rhombus Roods and Perches Root Scale Secondly Semi-circle set one Foot set one Point shew Side Sights you espy Square Links Station Stick streight Line strument substract Survey Surveyors Table take the Quantity Tangent taught thereof Trapezia turn the Index Yards
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 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...