Nature, Volume 11Sir Norman Lockyer Macmillan Journals Limited, 1874 |
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Página 71
... give a magnified virtual image without crossing , the upper ray must be bent downwards more than the lower one ; and that if the lower ray be bent down more than the upper , the image seen will be diminished . These rules must be borne ...
... give a magnified virtual image without crossing , the upper ray must be bent downwards more than the lower one ; and that if the lower ray be bent down more than the upper , the image seen will be diminished . These rules must be borne ...
Página 121
... give us a value of the solar parallax with a probable error of perhaps one - fortieth of a second of arc . This gives a foretaste of what photography is likely to do for us in this and the coming Transit of 1882 . Before we proceed to ...
... give us a value of the solar parallax with a probable error of perhaps one - fortieth of a second of arc . This gives a foretaste of what photography is likely to do for us in this and the coming Transit of 1882 . Before we proceed to ...
Página 444
... give one hundred dollars in gold or silver . " White deer - skins are rare , and considered very valuable , the possession of one being even said to give a claim to chiefship . A scalp of the red - headed woodpecker is equivalent to ...
... give one hundred dollars in gold or silver . " White deer - skins are rare , and considered very valuable , the possession of one being even said to give a claim to chiefship . A scalp of the red - headed woodpecker is equivalent to ...
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