A Complete Treatise on Practical Land-surveying: In All Its Departments ; Designed Chiefly for the Use of Schools and Private StudentsLongman, Brown, Green, and Longmans, 1847 - 426 páginas |
Dentro del libro
Resultados 1-5 de 29
Página 13
... moving a pencil round , within the thread , keeping it always tight , you will trace out the curve of the ellipse . The principle upon which this construction is founded , may be seen in Prob . X. Part VI . PROBLEM XVI . To reduce a ...
... moving a pencil round , within the thread , keeping it always tight , you will trace out the curve of the ellipse . The principle upon which this construction is founded , may be seen in Prob . X. Part VI . PROBLEM XVI . To reduce a ...
Página 22
... moving the staff . 2. The cross may be made of a circular piece of board ; you must then draw two diameters crossing each other at right - angles . The fourth part of a square , or of a circle , will answer the purpose equally well . 3 ...
... moving the staff . 2. The cross may be made of a circular piece of board ; you must then draw two diameters crossing each other at right - angles . The fourth part of a square , or of a circle , will answer the purpose equally well . 3 ...
Página 26
... moving it to the right or left , as circumstances require , and always placing his eye and chain - hand directly over ... move to the right or left , till he sees the follower in a direct line between himself and the mark from which they ...
... moving it to the right or left , as circumstances require , and always placing his eye and chain - hand directly over ... move to the right or left , till he sees the follower in a direct line between himself and the mark from which they ...
Página 34
... move the instru- ment backward or forward , along the line , till you can see the three marks as above directed . Enter in your field - book the distance from the end of the base to the cross , and the length of the perpendicular . Then ...
... move the instru- ment backward or forward , along the line , till you can see the three marks as above directed . Enter in your field - book the distance from the end of the base to the cross , and the length of the perpendicular . Then ...
Página 143
... move the staff backward or forward ( always keeping it perpendicular ) until you can see the top of the object through both the sights . Measure the distance between the bottom of the staff and that of the object , which being added to ...
... move the staff backward or forward ( always keeping it perpendicular ) until you can see the top of the object through both the sights . Measure the distance between the bottom of the staff and that of the object , which being added to ...
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Términos y frases comunes
acres allotments angle Area 4a balance line bottom width breadth centre chain-line chains circumferentor Commissioners constructed the figure cubic yards curve customary measure cutting Diag diagonal dimensions directed distance Ditto divided Double areas Draw a line equal erect the perpendicular feet fences field field-book find its area find the area following notes given ground guess-line height hence hill inches Indian ink Lay the ruler learner length Level-Book line A B manner mark the temporary method move it parallel multiply Offsets taken ordinates Parallel Ruler perches Plate Prob PROBLEM proof-line proprietors quadrant radius railway rectangle respectively rhombus right-angled triangle roods scale screw similar triangles slopes square links square yards station surface survey Surveyors Table tangent temporary line theodolite Trapezoid Triangle A B Trigonometry waste lands whole
Pasajes populares
Página 331 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Página 275 - And, he gave it for his opinion, that, whoever could make two ears of corn, or two blades of grass, to grow upon a spot of ground where only one grew before, would deserve better of mankind, and do more essential service to his country, than the whole race of politicians put together.
Página 87 - From half the sum of the three sides subtract each side severally; multiply the half sum and the three remainders continually together, and the square root of the last product will be the area.* * DEMONSTRATION.
Página 6 - 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.
Página 275 - An Act to facilitate the Inclosure and Improvement of Commons and Lands held in common, the Exchange of Lands, and the Division of intermixed Lands ; to provide Remedies for defective or incomplete Executions, and for the Non -execution of the Powers of general and local Inclosure Acts; and to provide for the Revival of such Powers in certain cases...
Página 262 - I AB do solemnly and sincerely declare that I will faithfully, impartially, and honestly, according to the best of my skill and ability, execute the duty of making the valuation hereby referred to me.
Página 18 - If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles.
Página 76 - RULE. — To the sum of the first and last ordinates, add four times the sum of all the even ordinates, and twice the sum of all the odd ordinates...
Página 7 - A sector is any part of a circle bounded by an arc, and two radii drawn to its extremities.
Página 266 - England in the name and with the privity of the accountant-general of the Court of Chancery, to be placed to his account there...