| John Frederic Daniell - 1839 - 606 pages
...extremity upon a centre, and at its other, carrying an arc of a circle, whose radius is exactly five inches, accurately divided into degrees and thirds of a degree. Upon this arm, at the centre of the circle, another lighter arm is made to turn, one end of which carries a nonius with it, which... | |
| James Renwick - 1840 - 412 pages
...extremity upon a centre, and at its other carrying an arc of a circle, whose radius is exactly five inches, accurately divided into degrees and thirds of a degree. Upon this arm, at the centre of the circle, another lighter arm is made to turn, one end of which carries a nonius with it, which... | |
| John Mitchell (F.C.S.) - 1846 - 450 pages
...extremity on a centre, and at its other carrying the arc of a circle, whose radius is exactly five inches, accurately divided into degrees, and thirds of a degree. Upon this arm, at the centre of the circle, another lighter arm is made to turn, one end of which carries a nonius with it, which... | |
| John Mitchell (F.C.S.) - 1846 - 448 pages
...extremity on a centre, and at its other carrying the arc of a circle, whose radius is exactly five inches, accurately divided into degrees, and thirds of a degree. Upon this arm, at the centre of the circle, another lighter arm is made to turn, one end of which carries a nonius with it, which... | |
| Campbell Morfit, Alexander Mucklé - 1849 - 482 pages
...extremity on a centre i, and at its other carrying the arc of a circle, whose radius is exactly five inches, accurately divided into degrees, and thirds of a degree. Upon this arm, at the centre of the circle k, another lighter arm c is made to turn, one end of which carries a nonius H with it,... | |
| Jabez Hogg - 1853 - 390 pages
...turning at its fixed extremity upon a centre, and at its other carrying an arc of a circle whose radius is exactly 5 inches, accurately divided into degrees...and thirds of a degree. Upon this arm, at the centre of the circle, another lighter arm is made to turn, one end of which carries a nonius with it, which... | |
| John Mitchell (analytical chemist.) - 1854 - 608 pages
...extremity on a centre, and at its other carrying the arc of a circle, whose radius is exactly five inches, accurately divided into degrees and thirds of a degree. Upon this arm, at the centre of the circle, another lighter arm is made to turn, one end of which carries a nonius with it, which... | |
| Aaron Snowden Piggot - 1854 - 538 pages
...extremity on a centre i, and at its other end carrying the arc of a circle, whose radius is exactly five inches, accurately divided into degrees, and thirds of a degree. Upon this arm, at the centre of the circle k, another lighter arm, C, is made to turn, one end of which carries a nonius, H, with... | |
| William Allen Miller - 1855 - 458 pages
...centre t, and at the other end carrying an arc of a circle, E, the radius of which is exactly five inches, accurately divided into degrees and thirds...subdivides the graduation into minutes. The shorter arm crosses the centre, and terminates in an obtuse steel point, m, turned inwards at a right angle. To... | |
| 1868 - 862 pages
...carrying the arc of a circle, E, the radius of which is five inches, and which is accurately graduated into degrees and thirds of a degree. Upon this arm,...another lighter arm, C, is made to turn, carrying at its longer part a Vernier (qv), H, which moves on the face of the arc, and divides it into minutes,... | |
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