A complete treatise on practical land-surveying |
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Page xi
... Arrows , description of 7 187 Award 167 263 Cross - staff , description of .. 7 Boards , how measured .. 208 Curvilineal figures , area of 56 - 96 216 | statute 97 .. 130 Cube , definition of .. 173 133 ·· solidity of , how found 180 ...
... Arrows , description of 7 187 Award 167 263 Cross - staff , description of .. 7 Boards , how measured .. 208 Curvilineal figures , area of 56 - 96 216 | statute 97 .. 130 Cube , definition of .. 173 133 ·· solidity of , how found 180 ...
Page 7
... ARROWS . The arrows are ten in number , and are used to determine the length of lines measured by the chain , and should be counted at each change of arrows , and at the end of every line , & c . They are made of strong iron wire ...
... ARROWS . The arrows are ten in number , and are used to determine the length of lines measured by the chain , and should be counted at each change of arrows , and at the end of every line , & c . They are made of strong iron wire ...
Page 13
... be enabled to set his arrows without any direction from the follower . This is the most facile and correct method the author has ever seen practised . 10. Avoid all obstructions , such as hills , quarries LAND - SURVEYING . 13.
... be enabled to set his arrows without any direction from the follower . This is the most facile and correct method the author has ever seen practised . 10. Avoid all obstructions , such as hills , quarries LAND - SURVEYING . 13.
Page 14
... arrows , putting nine in his left hand , and one end of the chain , with an arrow in his right , and advancing one chain further in the direction of the line to be measured . The follower holding his chain end at station 1 , to direct ...
... arrows , putting nine in his left hand , and one end of the chain , with an arrow in his right , and advancing one chain further in the direction of the line to be measured . The follower holding his chain end at station 1 , to direct ...
Page 15
... arrow , the line should be re - measured from the last change of arrows or the whole length of the line . Finish one line before you begin another , and measure the longest first , and be careful to enter every change of arrows . 2. Be ...
... arrow , the line should be re - measured from the last change of arrows or the whole length of the line . Finish one line before you begin another , and measure the longest first , and be careful to enter every change of arrows . 2. Be ...
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Common terms and phrases
ABCD acres allotment angle Answer arrows base line breadth bushels cask centre circle circular circumference circumferentor cone construction cross-staff curved decimals diagonal diameter A-B direction distance Ditto divided draw drawn edge ellipse equal Examples feet fence fence lines field notes figure FIND THE AREA FIND THE CONTENT FIND THE SOLIDITY four-sided field frustum gallons go North East hyperbola inches inclosure Indian ink land Land-Agent land-surveying land-surveyors length logarithm manorial measure method middle diameter multiplied opposite parabolic parallel parallel ruler parallelopipedon pencil perpendicular perpendicular height plate poles practical prick PROBLEM proof lines protractor quantity quotient radius rectangle Required the area Required the plan Required the solidity rhombus right-angled roads roods Rule Rule.-Multiply segment side similar manner sine sliding rule square links stake station straight line surface survey surveyors telescope theodolite trapezium trapezoid vessel William Thompson yards York
Popular passages
Page 3 - Any two sides of a triangle are together greater than the third side.
Page 2 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 269 - ... for the second term, and the greater for the first ; and in either case multiply the second and third terms together, and divide the product by the first for the answer, which will always be of the same denomination as the third term.
Page 276 - TO THEIR DIFFERENCE ; So IS THE TANGENT OF HALF THE SUM OF THE OPPOSITE ANGLES', To THE TANGENT OF HALF THEIR DIFFERENCE.
Page 167 - RULE.* To the sum of the areas of the two ends add four times the area of a section parallel to and equally distant from both ends, and this last sum multiplied by £ of the height will give the solidity.
Page 166 - To twice the length of the base add the length of the edge ; multiply the sum by the breadth of the base, and by one-sixth of the height.
Page 4 - Plane figures that have more than four sides are, in general, called Polygons ; and they receive other particular names, according to the number of their sides or angles.
Page 235 - To three times the square of the radius of the base, add the square of the height.
Page 264 - The difference of the logarithms, as here used, means the algebraic difference ; so that, if the logarithm of the divisor have a negative characteristic its sign must be changed to positive, after diminishing it by the unit, if any, carried in the subtraction from...
Page 231 - To twice the square of the middle diameter, add the square of the diameter of one end; multiply the sum by the length of the frustum, and the product by '2618 for the content.