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Books Bücher 1 - 7 von 7 in ... spherical aberration is positive or negative. (II.) That test-images may be formed...
" ... spherical aberration is positive or negative. (II.) That test-images may be formed of a high order of delicacy and accurate portraiture in miniature, by employing an objective of twice the focal depth, or, rather, half the focal length of the observing... "
English Mechanic and World of Science: With which are Incorporated "the ... - Seite 177
1870
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Proceedings of the Royal Society of London, Band 18

1870
...or, rather, half the focal length of the observing objective. (III.) That such test-images (which may be obtained conveniently two thousand times less than...which they are displayed (especially on the immersion system) is a marvellous test of the correction of the observing objective, but an indifferent one of...
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Nature, Band 2

Sir Norman Lockyer - 1870
...or, rather, half the focal length, of the observing objective. III. That such test-images (which may be obtained conveniently two thousand times less than...which they are displayed (especially on the immersion system) is a marvellous test of the correction of the observing objective, but an indifferent one of...
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Nature, Band 2

Sir Norman Lockyer - 1870
...or, rather, half the focal length, of the observing objective. III. That such test-images (which may be obtained conveniently two thousand times less than...which they are displayed (especially on the immersion system) is a marvellous test of the correction of the observing objective, but an indifferent one of...
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Proceedings of the Royal Society of London, Band 18

1870
...or, rather, half the focal length of the observing objective. (III.) That such test-imnges (which may be obtained conveniently two thousand times less than...which they are displayed (especially on the immersion system) is a marvellous test of the correction of the observing objective, but au indifferent one of...
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Proceedings of the Royal Society of London, Band 18

1870
...or, rather, half the focal length of the observing objective. (III.) That such test-images (which may be obtained conveniently two thousand times less than a known original) are formed (under precaution*) with a remarkable freedom from aberration, which appears to be reduced in the miniature...
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Quarterly Journal of Microscopical Science, Band 10

1870
...or, rather, half the focal length of the observing objective. III. That such test-images (which may be obtained conveniently two thousand times less than...original) are formed (under precautions) with a remarkable freedon from aberration, which appears to be reduced in the miniature to a minimum. IV. The beauty...
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Annals & Magazine of Natural History

1870
...or, rather, halt the focal length of the obaervina-objective. (III.) That such test-images (which may be obtained conveniently two thousand times less than...which they are displayed (especially on the immersion system) is a marvellous test of the correction o'f the observing objective, but an indifferent one...
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