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 Cushing & Jewett, J. Robinson printer, 1822 - 326 σελίδες |
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Σελίδα vi
... theorems and problems ; with the nature and use of the tables of logarithm numbers , sines , tan- gents , and secants . The second section contains plane trigonometry right angled and oblique , with its application in deter- mining the ...
... theorems and problems ; with the nature and use of the tables of logarithm numbers , sines , tan- gents , and secants . The second section contains plane trigonometry right angled and oblique , with its application in deter- mining the ...
Σελίδα 9
... Theorems and Problems : with the Nature and Use of the Tables of Loga- rithm Numbers , Sines , Tangents , and Secants . DEFINITION . SURVEYIN SURVEYING is that art which enables us to give a plan or just representations , of any piece ...
... Theorems and Problems : with the Nature and Use of the Tables of Loga- rithm Numbers , Sines , Tangents , and Secants . DEFINITION . SURVEYIN SURVEYING is that art which enables us to give a plan or just representations , of any piece ...
Σελίδα 32
... theorem is a proposition , wherein something is proposed to be demonstrated . A problem is a proposition , wherein something is to be done or effected . A lemma is some demonstration , previous and ne . cessary , to render what follows ...
... theorem is a proposition , wherein something is proposed to be demonstrated . A problem is a proposition , wherein something is to be done or effected . A lemma is some demonstration , previous and ne . cessary , to render what follows ...
Σελίδα 33
... as A is to B , so is C to D ; but when three quantities A , B , C , are proportional , the middle quantity is repeated , and they are written A : B :: B : C. GEOMETRICAL THEOREMS . THEOREM I. IF a right line falls GEOMETRY . 33.
... as A is to B , so is C to D ; but when three quantities A , B , C , are proportional , the middle quantity is repeated , and they are written A : B :: B : C. GEOMETRICAL THEOREMS . THEOREM I. IF a right line falls GEOMETRY . 33.
Σελίδα 34
... THEOREMS . THEOREM I. IF a right line falls on another , as A B , or E B , does on C D , ( fig . 20. ) it either makes with it two right angles , or two angles equal to two right angles . 20 . V B 1. If AB be perpendicular to CD , then ...
... THEOREMS . THEOREM I. IF a right line falls on another , as A B , or E B , does on C D , ( fig . 20. ) it either makes with it two right angles , or two angles equal to two right angles . 20 . V B 1. If AB be perpendicular to CD , then ...
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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 ABCD acres altitude Answer base bearing blank line centre chains and links chord circle circumferentor Co-secant co-sine Co-tang column compass contained cyphers decimal decimal fraction difference Dist 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 measure meridian distance multiplied needle number of degrees object off-sets opposite parallel parallelogram perpendicular piece of ground plane polygon Portmarnock PROB proportion protractor quotient radius right angles right line scale of equal SCHOLIUM secant second station sect semicircle side sights sine square root stationary distance stationary line sun's suppose survey taken tang tangent thence theo theodolite THEOREM thro triangle ABC trigonometry true amplitude true azimuth two-pole chains vane variation whence