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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... "
A Compendious System of Practical Surveying, and Dividing of Land: Concisely ... - Side 49
1814 - 227 sider
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The New Practical Navigator: Being a Complete Epitome of Navigation to which ...

John Hamilton Moore - 1807 - 328 sider
...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, each degree is divided into 15 minutes. 5thly. The line of tangents, marked (Tang.) begins at the left hand, as do the fines ; from thence...
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The New Practical Navigator: Being a Complete Epitome of Navigation: to ...

John Hamilton Moore - 1807 - 328 sider
...If 169"; each of the fubdivifions, from IO to 30, are 2 degrees, and from thence to qo, it is fingle degrees, and from thence to the end, each degree is divided into 15 minutes. 5thly. The line of tangents, marked (Tang.) begins at the left hand, as do the fines ; from thence...
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The New Practical Navigator: Being a Complete Epitome of Navigation: to ...

John Hamilton Moore - 1810 - 336 sider
...where is a brass centre pin, here, and in all lines under it, are called degrees. hand — about 169°; each of the subdivisions, from 10 to 30, are 2 degrees,...to the end, each degree is divided into 15 minutes. Sthly. The line of tangents, marked (Tang.) begins at the left hand, as do the sines ; from thence...
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American Practical Navigator

1821
...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...
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A Treatise on Gunter's Scale, and the Sliding Rule: Together with a ...

George Curtis - 1824 - 119 sider
...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,...
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The New American Practical Navigator; Being an Epitome of Navigation ...

Nathaniel Bowditch - 1846 - 451 sider
...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...
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Navigation

James Pryde - 1867 - 458 sider
...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,...
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The American Practical Navigator: Being an Epitome of Navigation and ...

Nathaniel Bowditch - 1888 - 647 sider
...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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