A Treatise on Land-surveying, in Six Parts ...H. Baldwin and son, 1799 - 193 páginas |
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Página 87
... 480 50 50 20 600 28800 7500 70 810 150 486000 10500 28800 7500 10500 12000 11400 20 60 60 190 2 ) 556200 80 11400 2,78100 150 4 12000 3,12400 40 4,96000 ARP Ans . 2 3 5 Plate I. PLOTTING SCALE . 14 2 31 40 39 G 4 THE CHAIN AND CROSS . 87.
... 480 50 50 20 600 28800 7500 70 810 150 486000 10500 28800 7500 10500 12000 11400 20 60 60 190 2 ) 556200 80 11400 2,78100 150 4 12000 3,12400 40 4,96000 ARP Ans . 2 3 5 Plate I. PLOTTING SCALE . 14 2 31 40 39 G 4 THE CHAIN AND CROSS . 87.
Página 90
... thus : Suppofe the following rough sketch to be taken in the Field . A 215 175 670 at 545 370 B Take the length of the diagonal A B 670 off a plot- ting scale , and draw it on paper . 51 167 18 19 ' 10 11 12 13 14 90 TO SURVEY WITH.
... thus : Suppofe the following rough sketch to be taken in the Field . A 215 175 670 at 545 370 B Take the length of the diagonal A B 670 off a plot- ting scale , and draw it on paper . 51 167 18 19 ' 10 11 12 13 14 90 TO SURVEY WITH.
Página 90
... SCALE . 14 2 31 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 * 6 CHAINS TO AN INCH . 4 15 T 6 7 8 19 до 1 1 1/2 13 15 14 13 1/2 16 17 1/8 19 20 21 22 23T 24 25 26 11 10 6 8 16 5 3 2 * 4 CHAINS TO AN INCH * 2 13 25 24 1 1 26 * 14 13 ...
... SCALE . 14 2 31 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 * 6 CHAINS TO AN INCH . 4 15 T 6 7 8 19 до 1 1 1/2 13 15 14 13 1/2 16 17 1/8 19 20 21 22 23T 24 25 26 11 10 6 8 16 5 3 2 * 4 CHAINS TO AN INCH * 2 13 25 24 1 1 26 * 14 13 ...
Página 99
... the con- tent be found . To do which , take the length of the longest fide off the scale with the compasses , and draw it on paper . A 755 B Take the length of another line , H 2 PART IV To furvey with the Chain only.
... the con- tent be found . To do which , take the length of the longest fide off the scale with the compasses , and draw it on paper . A 755 B Take the length of another line , H 2 PART IV To furvey with the Chain only.
Página 101
... scale , and it will be found to be 380 links : or open the compaffes to fuch a width as will defcribe an arc touching the bafe AB , without paffing through it . 1 • 088 755 B A Measure that distance on the plotting - scale , and it will ...
... scale , and it will be found to be 380 links : or open the compaffes to fuch a width as will defcribe an arc touching the bafe AB , without paffing through it . 1 • 088 755 B A Measure that distance on the plotting - scale , and it will ...
Otras ediciones - Ver todas
A Treatise on Land-Surveying: In Seven Parts (Classic Reprint) Thomas Dix Sin vista previa disponible - 2017 |
A Treatise on Land-Surveying: In Six Parts (Classic Reprint) Thomas Dix Sin vista previa disponible - 2018 |
Términos y frases comunes
6d Bound A R P Content Acres Bafe Baſe Bifect centre chain circumference croffed croſs Decagon defcribe a circle defcribe an arc defcribe the arc Diagonal Begin diameters A B divide a given draw a line Draw a Plan draw the arc Draw the line Draw two diameters fame radius fecond fences fides equal Field-book find the area find the Content firft following Field four fides FRENCH LANGUAGE ftraight lines fuch furvey Gate given circle given line given point given portion given quantity given right line Heptagon infcribe irregular line JOHN SYMONDS laſt line A B line AC links long mark meaſure a perpendicular moſt multiply muſt be taken Nonagon oppofite OUNDLE parallelogram Pentagon perpendicular required Plate plot PROBLEM quotient radius A B regular Polygon right angles Rood rough sketch RULE ſmall ſtand ſtraight line ſtraightened Take the diſtance theſe Trapezium triangle ABC
Pasajes populares
Página 4 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 23 - To draw a Line parallel to a given Line, at a given Distance from it.
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.