 | John Hamilton Moore - 1807 - 586 páginas
...hand— about 169°; each of the fubdivifions, from ю to 70, are 2 degrees, and from thence to go, it is fingle degrees, and from thence to the end,...is figured to the right hand, thus: i, 2, 3, &c. to 10, and fo on, 20, 30, 40, and 45, at the right hand, where is a little brafs pin, juft under and even... | |
 | 1814 - 402 páginas
...1C'.) ; each of the subdivisions, from 10 to 30, are 2 degrees, and from thence to 90, it is single degrees ; and from thence to the end, each degree is divided into 15 minutes. The line of Tangents, marked Tan. begins at the left hand, and figured to the right, thus : 1, 2, 3,... | |
 | 1821 - 708 páginas
...of the subdivisions, from 10 to 30, is in general two degrees, from thence to 90 is single degrees, from thence to the, end, each degree is divided into 15 minutes. 6thly. The line of tangents, marked (Tang.) corresponding to the logtangents of the degrees of the... | |
 | George Curtis - 1824 - 132 páginas
...the subdivisions from 10 to 30 is, in general two degrees ; from thence to 90, is single degrees ; from thence to the end, each degree is divided into 15 minutes. 6. The line of Tangents, (marked T-ANG) corresponding to the Log. Tangents of the degree* of the Quadrant,... | |
 | Nathaniel Bowditch - 1846 - 854 páginas
...the sulxlivisions, from 10 to 30, is in general two degrees; from thence to 90 is single degrees ; from thence to the end, each degree is divided into 15 minutes. 6thly. The line of tangents, marked (Tang.), corresponding to the log. tangents of the degrees of the... | |
 | James Pryde - 1867 - 506 páginas
...of the subdivisions, from ID to 30, is in general two degrees, from thence to 90 is single degrees, from thence to the end, each degree is divided into 15 minutes. 96. The line of tangents, marked Tang., corresponding to the log. tangents of the degrees of the quadrant,... | |
 | Nathaniel Bowditch - 1888 - 704 páginas
...the subdivisions, from ю to 30, is in general two degrees ; from thence to 90 is single degrees ; from thence to the end each degree is divided into 15 minutes. othly. The line of tangents, marked (Tang.), corresponding 1.0 the log. tangents of the degrees of... | |
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... degrees of the quadrant, begins at the right hand against 90° on the sines, and from thence is numbered towards the left hand thus : 10, 20... 