 | Colin Macfarquhar, George Gleig - Encyclopedias and dictionaries - 1797 - 442 pages
...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... | |
 | Encyclopaedia Britannica - 1810 - 824 pages
...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... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...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... | |
 | George Adams - Geometry - 1813 - 576 pages
...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... | |
 | George Adams - Geometry - 1813 - 648 pages
...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... | |
 | Encyclopaedia Perthensis - 1816 - 746 pages
...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... | |
 | Encyclopedias and dictionaries - 1823 - 936 pages
...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 ϸì 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... | |
 | Thomas Curtis (of Grove house sch, Islington) - 420 pages
...somewhat longer than the rest ; between every number and each fifth degree there are four divisions, longer than the intermediate adjacent ones : these...the shorter ones, or those of the third order, are thirty minutes. From the centre to 60° the line of sines is divided like the line of tangents, from... | |
 | Henry S. Merrett - 1863 - 476 pages
...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... | |
 | Henry S. Merrett - 1863 - 428 pages
...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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... 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... 