A complete treatise on practical land-surveying1870 |
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Σελίδα 21
... inch and half or two inches ; because , in surveying , it is almost impossible to go in a direct line , or to keep the chain perfectly stretched . Long arrows likewise keep the ends of the chain a considerable distance from the ground ...
... inch and half or two inches ; because , in surveying , it is almost impossible to go in a direct line , or to keep the chain perfectly stretched . Long arrows likewise keep the ends of the chain a considerable distance from the ground ...
Σελίδα 22
... inches square , box , or mahogany . either of sycamore , Draw the two diagonals , and at their extremities fix four ... inch deep , in the board . This being fixed upon a staff , of a con- venient length for use , pointed with iron at ...
... inches square , box , or mahogany . either of sycamore , Draw the two diagonals , and at their extremities fix four ... inch deep , in the board . This being fixed upon a staff , of a con- venient length for use , pointed with iron at ...
Σελίδα 28
... inch . NOTE 1. - A plotting - scale divided into two chains to an inch on one of its edges , and four on the other , is perhaps most useful for a school - boy ; but practical sur- veyors prefer those which have both their edges divided ...
... inch . NOTE 1. - A plotting - scale divided into two chains to an inch on one of its edges , and four on the other , is perhaps most useful for a school - boy ; but practical sur- veyors prefer those which have both their edges divided ...
Σελίδα 29
... inch ; and that the rod , pole , or perch , in length , shall be 5 yards , the furlong 220 yards , and the mile 1760 yards . 3. By the same ... Inches Link 7.92 = PART III . 29 STATUTE MEASURE . PART III To Survey with the Chain and Cross.
... inch ; and that the rod , pole , or perch , in length , shall be 5 yards , the furlong 220 yards , and the mile 1760 yards . 3. By the same ... Inches Link 7.92 = PART III . 29 STATUTE MEASURE . PART III To Survey with the Chain and Cross.
Σελίδα 30
... Inches Square Link Square 62.7264 = 1 Foot 144 22956 = 1 Square Yard 1296 20.6611 9 = 1 Square Perch 39204 625 272.25 30-25 = Square 1 Chain Square 627264 10000 4356 484 16 = 1 Rood 1568160 25000 10890 1210 40 2.5 = 1 Square Acre ...
... Inches Square Link Square 62.7264 = 1 Foot 144 22956 = 1 Square Yard 1296 20.6611 9 = 1 Square Perch 39204 625 272.25 30-25 = Square 1 Chain Square 627264 10000 4356 484 16 = 1 Rood 1568160 25000 10890 1210 40 2.5 = 1 Square Acre ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
acres allotment Area 7a base base-line centre chain chain-line circumferentor Commissioners compass constructed the figure convenient cross cross-staff curve cutting diag diagonal direction distance ditto divided Double areas Draw a line Draw the line embankments equal erect the perpendicular Examples feet fences field field-book find its area find the area find the perpendicular following dimensions following notes given gonal ground hill horizontal hypotenusal inches inclosure Indian ink insets Lay the ruler learner length line BC main-line manner mark the temporary measure method move it parallel Offsets taken parallel ruler perches plan and area plane Plate plotting-scale PROBLEM proof-line quadrant radius railway range range W rectangle rhombus right angles right line right-angled triangle river scale scalene triangle side sine slopes square links station surface survey surveyor tangent temporary line theodolite trapezium ABCD trapezoid triangle ABC trigonometry Valuer whole width
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