A Treatise on Practical Surveying: Which is Demonstrated from Its First Principles, Wherein Every Thing that is Useful and Curious in that Art, is Fully Considered and ExplainedF. Lucas, Jun. and Joseph Cushing, 1816 - 472 σελίδες |
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Σελίδα 14
... perch , & c . or of whatever the whole thing originally was . Fractions are expressed in two forms , that is , either vulgarly or decimally . merators . All Fractions whose denominators do not consist of a cypher or cyphers set after ...
... perch , & c . or of whatever the whole thing originally was . Fractions are expressed in two forms , that is , either vulgarly or decimally . merators . All Fractions whose denominators do not consist of a cypher or cyphers set after ...
Σελίδα 22
... perch , & c . is equal to one fourth of three shillings , yards , perches , & c . there . fore if 3 be divided by 4 , the quotient will be the an- swer . Reduce to a decimal fraction . 5 ) 2.0.4 Answer . Reduce to a decimal fraction ...
... perch , & c . is equal to one fourth of three shillings , yards , perches , & c . there . fore if 3 be divided by 4 , the quotient will be the an- swer . Reduce to a decimal fraction . 5 ) 2.0.4 Answer . Reduce to a decimal fraction ...
Σελίδα 76
... scales of so many parts to an inch ( whether of feet , yards , perohes , or miles ) as the respective number at the end of each expresses ; but in the surveying way , they are counted to be so many perches to an 76 PROBLEMS .
... scales of so many parts to an inch ( whether of feet , yards , perohes , or miles ) as the respective number at the end of each expresses ; but in the surveying way , they are counted to be so many perches to an 76 PROBLEMS .
Σελίδα 77
... perches to an inch ; and are thus counted : every large division is 10 , every one of the subdivisions is 1 , and every one down- wards is one tenth of a perch ; or sometimes thus , every large division is called 100 , every subdivision ...
... perches to an inch ; and are thus counted : every large division is 10 , every one of the subdivisions is 1 , and every one down- wards is one tenth of a perch ; or sometimes thus , every large division is called 100 , every subdivision ...
Σελίδα 101
... perches , or miles , & c . and this mark , either in an angle or on a side , de- notes the angle or side required . 1 From these proportions it may be observed ; that , to find a side , when the angles and one side are given , any side ...
... perches , or miles , & c . and this mark , either in an angle or on a side , de- notes the angle or side required . 1 From these proportions it may be observed ; that , to find a side , when the angles and one side are given , any side ...
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A Treatise of Practical Surveying: Which is Demonstrated From Its First ... Robert Gibson Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2021 |
Συχνά εμφανιζόμενοι όροι και φράσεις
20 perches 50 Dist ABCD acres altitude annexed Answer base bearing bisect blank line centre chains and links chord circle circumferentor Co-secant Secant Co-sine Co-tang column contained cyphers decimal decimal fraction Dep Lat difference divided divisor draw east edge EXAMPLE feet field-book figures four-pole chains given angle half the sum height Hence hypothenuse inches instrument latitude length logarithm magnetical measure meridian distance multiplied needle number of degrees object off-sets parallel parallelogram perpendicular piece of ground plane Portmarnock PROB proportion protractor quotient radius right angles right line scale of equal SCHOLIUM sect semicircle side sights sine square root stationary distance sun's suppose survey taken tance Tang tangent thence theo theodolite THEOREM thro trapezium triangle ABC trigonometry true amplitude true azimuth two-pole chains vane variation whence