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" ... with it, which moves upon the face of the arc, and subdivides the former graduation into minutes of a degree ; the other end crosses the centre, and terminates in an obtuse steel point, turned inwards at a right angle. "
Elements of Chemistry: Theoretical and Practical - Page 196
by William Andrew Miller - 1867
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An Introduction to the Study of Chemical Philosophy: Being a Preparatory ...

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...
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Familiar Illustrations of Natural Philosophy: Selected Principally from ...

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...
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Manual of Practical Assaying: Intended for the Use of Metallurgists ...

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...
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Manual of Practical Assaying: Intended for the Use of Metallurgists ...

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...
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Chemical and Pharmaceutic Manipulations: A Manual of the Mechanical and ...

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,...
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Elements of Experimental and Natural Philosophy ...

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...
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Manual of Practical Assaying: Intended for the Use of Metallurgists ...

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...
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Chemistry and metallurgy, as applied to the study and practice of dental surgery

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...
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Elements of chemistry pt. 1 1855, Part 1

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...
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Chambers's Encyclopaedia: A Dictionary of Universal Knowledge for ..., Volume 8

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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