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A Treatise on Land-Surveying: In Seven Parts (Classic Reprint)
Sin vista previa disponible - 2017
A Treatise on Land-Surveying: In Six Parts (Classic Reprint)
Sin vista previa disponible - 2018
A R P Acres Allow appear Baſe Begin Biſect Bound called centre chord circumference complete contain croſs croſſing deſcribe a circle deſcribe an arc deſcribe the arc Diagonal diameters A B directed divide draw a line Draw a Plan Draw the line Draw two diameters equal example fences fides Field Field-book figures find the Content firſt following Field Gate given circle given line given point half Inſcribe interſect laſt length line A B line AC links long LONDON mark meaſure method multiply muſt muſt be taken notes offsets parallel parallelogram Pentagon perpendicular Plate plot poles PROBLEM Produce quantity quotient radius A B Remainder right angles Rood rough ſketch Rule ſame radius ſcale ſecond ſet ſide Square ſtand ſtraight line ſurvey theſe third triangle ABC yards
Página 4 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 167 - Apply the straight edge of a thin, clear piece of lanthorn-horn to the crooked line, which is to be reduced, in such a manner, that the small parts cut off from the crooked figure by it, may be equal to those which are taken in : which equality of the parts included and excluded you...
Página 39 - Draw the diameter AB and divide it into as many equal parts as the polygon is to have sides (in this case five).
Página 168 - ... by a little practice ;) then, with a pencil, draw a line by the edge of the horn.
Página 168 - ... it is likely that some of the parts will be taken a small matter too little, and others too great ; so that they will, upon the whole, in all probability, very nearly balance one another. After all the fields and particular parts are thus computed separately, and added all together into one...
Página 33 - В ч-níi the divisions, anil the crossimr* of equal numbers, are points in the circle arc. 29. To find the center and radius of a circle thiir will tangent the three sides of a triangle.
Página 118 - To part from a Rectangle or Triangle, any proposed Quantity of Land, upon a Line on which there are Offsets, when the Area of those Offsets is to be considered as Part of the Portion to be parted off". RULE. — Find the area of the offsets, which subtract from the portion to be parted off, and then proceed with the remainder, as directed in the preceding problems.
Página 1 - Lines are equally diftant in all their parts, and if produced ever fo far both ways would never meet. 5. An Angle is the meeting of two lines in a point, but not fo as to form one straight line.
Página 6 - ... distant from a point within, called the centre. In popular language, however, the circumference itself is often called a circle. Circular. Semicircles are half circles. Semicircular. A Segment. of a circle is a part of a circle cat off by a straight line.