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Books Bücher 1 - 10 von 10 in The instrument may be turned in declination with the finger, and round the polar...
" The instrument may be turned in declination with the finger, and round the polar axes with still less force. The most perfect motion round the polar axes is produced by means of clock-work, which is the principal feature of this instrument, and the greatest... "
American Mechanics' Magazine - Seite 75
1825
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Mechanics Magazine, Band 4

1825
...the most perfect equilibrium in every direction, and providing against all friction. The declination circle is directed from 10* to 10', but, by means...the mechanism being as simple as it is ingenious. A weight, attached to a projection connected with an endless screw, overcomes the friction of the machine....
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Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ..., Band 4

Perry Fairfax Nursey - 1825
...direction, and providing against all friction. The declination circle is directed from Iff to 1 0', but, by means of the vermice, may be read off to 5"....the mechanism being as simple as it is ingenious. A weight, attached to a projection connected with an endless screw, overcomes the friction of the machine....
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Mechanics' Magazine and Journal of Science, Arts, and Manufactures, Band 4

1825
...in every direction, and providing against all friction. The declination circle is directed from KX to 10', but, by means of the vermice, may be read...The instrument may be turned in declination with the nnger, and round the polar axes with still less force. The most perfect motion round the polar axes...
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The London journal of arts and sciences (and repertory of patent inventions ...

William Newton - 1825
...against all friction. The declination circle is divided from 10' to 10', but by means of the Vernier may be read off to 5". The instrument may be turned...in declination with the finger, and round the polar axis with still less force. The most perfect motion round the polar axis is produced by means of clock-work,...
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Newton's London Journal of Arts and Sciences: Being Record of the ..., Band 9

William Newton, Charles Frederick Partington - 1825
...against all friction. The declination circle is divided from 10' to 10', but by means of the Vernier may be read off to 5". The instrument may be turned...in declination with the finger, and round the polar axis with still less force. The most perfect motion round the polar axis is produced by means of clock-work,...
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Annals of Philosophy, Band 9;Band 25

Richard Phillips, Edward William Brayley - 1825
...friction. The declination circle is divided from 10' to 10', but by means of the Vernier may be read ofT to 5". The instrument may be turned in declination with the finger, and round the polar axis with still less force. The most perfect motion round the polar axis is produced by means of clock-work,...
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Annals of Philosophy, Band 9;Band 25

Richard Phillips, Edward William Brayley - 1825
...against all friction. The declination circle is divided from 10' to 10', but by means of the Vernier may be read off to 5". The instrument may be turned in declination with the ringer, and round the polar axis with still less force. The most perfect motion round the polar axis...
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The London Journal of Arts and Sciences, Band 9

1825
...against all friction. The declination circle is divided from 10' to 10', but by means »'l IKoe Vernier may be read off to 5". The instrument may be turned in declinatiou with the finger, and round the polar axis with still less force. . ,, .,. , • i , . The...
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The Edinburgh Journal of Science, Band 5

1826
...being thus set up, and the counterpoise properly adjusted, is perfectly balanced in every situation. It may be turned in declination with the finger, and round the polar axis with still less force, a weight of three pounds being fixed at some distance from the eye-end,...
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The Edinburgh Journal of Science, Band 5

1826
....being thus set up, and the counterpoise properly adjusted, is perfectly balanced in every situation. It may be turned in declination with the finger, and round the polar axis with still less force, a weight of three pounds being fixed at some distance from the eye-end,...
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