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" ... longer than the intermediate adjacent ones, these are whole degrees ; the shorter ones, or those of the third order, are 30 minutes. From the centre, to 60 degrees, the line of sines is divided like the line of tangents ; from 60 to 70, it is divided... "
The Theory and Practice of Surveying: Containing All the Instructions ... - Pągina 82
per Robert Gibson - 1814 - 508 pągines
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Encyclopędia Britannica: Or, A Dictionary of Arts ..., Volum 17,Part 1

Colin Macfarquhar, George Gleig - 1797
...ones, or thole of the third order, are 30 minutes. Frem the centre, to 60 degrees, the line of fines is divided like the line of tangents, from 60 to 70...70 to 80, to every two degrees, from 80 to 90 ; the divifion muft be eftimated by the eye. The divifions on the line of chords are to be eftimated in the...
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Encyclopędia Britannica: or, A dictionary of arts and sciences, compiled by ...

Encyclopaedia Britannica - 1810
...of the third order, are """"» ":J 30 minutes. » From the centre, to 60 degrees, the line of fines is divided like the line of tangents, from 60 to 70 ; it is divided only to every degree, from 70 to So, to every two degrees, from 80 to 90 ; the divifion muft be eftimated by the eye. The divifions...
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The Theory and Practice of Surveying: Containing All the Instructions ...

Robert Gibson - 1811 - 508 pągines
...somewhat longer than the rest ; between every number and each fifth degree, there are four divisions, longer than the intermediate adjacent ones, these...is divided like the line of tangents ; from 60 to 7O, it is divided only to every degree ; from 70 to 8O, to every two degrees ; from 80 to 90, the division...
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Geometrical and Graphical Essays: Containing a General Description of the ...

George Adams - 1813 - 534 pągines
...somewhat longer than the rest ; between every number and each fifth degree, there are four divisions, longer than the intermediate adjacent ones, these...order, are 30 min.utes. From the centre, to 60 degrees, t/fe line of sines is divided like the line of tangents ; from 60 to 7O, it is divided only to every...
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Geometrical and Graphical Essays: Containing a General Description of the ...

George Adams - 1813 - 534 pągines
...somewhat longer than the rest; between every number and each fifth degree, there are four divisions, longer than the intermediate adjacent ones, these are whole degrees; the shorter ones, or those of tne third order, are 30 minutes. From the centre, to6o degrees, the line of sines is divided like the...
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Encyclopaedia Perthensis; or, Universal dictionary of Knowledge. [With] Supp

Encyclopaedia Perthensis - 1816
...the ihortcr ones or tho* of the third order, are 30 minutes. From t centre, to 60° the line of fines is divided like the line of tangents, from 60 to 70; it is divided only to every degree, from 70 to So, to every two degrees, from 80 to 90 ; the divilion muft be eitimaitd by the eye. The divifions...
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Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., Volum 19

1823
...these are whole d«- S'ctor. grees; the shorter ones, or those of the third order, are '— — v ' 9 g Wi :vͰ 1IG8 ぺrcGW ϸģ 8gڰ ... 3Mc q+ Ȅ Tޡ 4 3 v w+ )z F ĥ 0 F eÜf 5 the division must be estimated by the eye. The divisions on the line of chords are to he estimated...
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A practical treatise on ... land and engineering surveying

1863
...somewhat longer than the rest ; between every number and each fifth degree there are four divisions longer than the intermediate adjacent ones ; these are whole degrees ; the shorter ones are those of the third order, or 30 minutes. From the centre to 60 degrees the line of sines is divided...
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A Practical Treatise on the Science of Land and Engineering Surveying ...

Henry S. Merrett - 1863 - 317 pągines
...somewhat longer than the rest ; between every number and each fifth degree there are four divisions longer than the intermediate adjacent ones ; these are whole degrees ; the shorter ones are those of the third order, or 30 minutes. From the centre to 60 degrees the line of sines is divided...
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A Practical Treatise on the Science of Land and Engineering Surveying ...

Henry S. Merrett - 1885 - 346 pągines
...intermediate adjacent ones ; these are whole degrees ; the shorter ones are those of the third order, or 30 minutes. From the centre to 60 degrees the line...70 to 80, to every two degrees ; from 80 to 90, the divisions must be estimated by the eye. The divisions on the line of chords are to be estimated in...
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