The Theory and Practice of Surveying: Containing All the Instructions Requisite for the Skilful Practice of this ArtJ.J. Harper, 1828 - 435 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 24.
Σελίδα 105
... four poles or perches , which consists . of 100 links ; ( and this is the most natural division ) or by one of 50 ... chains and their respective links will differ also . The English statute - perch is 5 yards , the two - pole chain is 11 ...
... four poles or perches , which consists . of 100 links ; ( and this is the most natural division ) or by one of 50 ... chains and their respective links will differ also . The English statute - perch is 5 yards , the two - pole chain is 11 ...
Σελίδα 108
... chain more accurately ; for 80 four - pole , or 160 two - pole chains , or 320 perches , make a mile as before and if roads are measured by a statute - chain , it will give you the miles English , but if by a plantation chain , the ...
... chain more accurately ; for 80 four - pole , or 160 two - pole chains , or 320 perches , make a mile as before and if roads are measured by a statute - chain , it will give you the miles English , but if by a plantation chain , the ...
Σελίδα 109
... four - pole , and others by a two - pole chain ; and as ground for houses is measured by feet , we will show how to reduce one to the other , in the following problems . PROBLEM I. To reduce two ... four - pole chains and OF THE CHAIN . 109.
... four - pole , and others by a two - pole chain ; and as ground for houses is measured by feet , we will show how to reduce one to the other , in the following problems . PROBLEM I. To reduce two ... four - pole chains and OF THE CHAIN . 109.
Σελίδα 110
... four - pole chains and links to perches and decimals of a perch . The links of a four - pole chain are decimal parts of it , each link before the hundredth part of a chain ; therefore if the chain and links be multiplied by 4 , ( for 4 ...
... four - pole chains and links to perches and decimals of a perch . The links of a four - pole chain are decimal parts of it , each link before the hundredth part of a chain ; therefore if the chain and links be multiplied by 4 , ( for 4 ...
Σελίδα 111
... four - pole chains and links ? Ch . L. 4 ) 31.52 ( 7 . 88 Answer . 35 32 PROBLEM VI . To reduce perches and decimals of a perch to two - pole chains and links . The perches may be reduced to four - pole chains ( by the last ) , and from ...
... four - pole chains and links ? Ch . L. 4 ) 31.52 ( 7 . 88 Answer . 35 32 PROBLEM VI . To reduce perches and decimals of a perch to two - pole chains and links . The perches may be reduced to four - pole chains ( by the last ) , and from ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD acres altitude Answer arch base bearing centre chains and links circle circumferentor Co-sec Co-tang column compasses contained cube root decimal difference of latitude Dist divided divisions divisor draw east Ecliptic edge EXAMPLE feet field-book figure four-pole chains given angle given number half the sum height Hence Horizon glass hypothenuse inches instrument length logarithm measure Meridian Altitude meridian distance method multiplied natural co-sine natural number natural sine Nonius number of degrees object observed off-sets opposite parallel parallelogram perches perpendicular plane prob PROBLEM proportional protractor Quadrant quotient radius rhombus right angles right line Secant sect semicircle Sextant side square root station subtract Sun's survey taken Tang tangent theo theodolite THEOREM trapezium triangle ABC trigonometry two-pole chains vane versed sine vulgar fraction whence