Philosophical MagazineTaylor & Francis, 1804 - Physics |
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Page 13
... seen in my Travels in Italy . The king of Spain has ordered a map of his states to be constructed by a body of geographical engineers , under the direction of M. Ximenes . We have already maps of all the coasts ; but it will require a ...
... seen in my Travels in Italy . The king of Spain has ordered a map of his states to be constructed by a body of geographical engineers , under the direction of M. Ximenes . We have already maps of all the coasts ; but it will require a ...
Page 183
... seen more clearly with his single lens than they had ever been seen with telescopes , and that they appeared . brighter than to the naked eye . Such a glass , then , will answer its end without any tube , and the object will always be seen ...
... seen more clearly with his single lens than they had ever been seen with telescopes , and that they appeared . brighter than to the naked eye . Such a glass , then , will answer its end without any tube , and the object will always be seen ...
Page 187
... seen by the naked eye . Hence it seems very probable , that these convex glasses , and concave mirrors might be used with success , to view by night , objects which cannot be seen only because of the de- fect of light ; for , happening ...
... seen by the naked eye . Hence it seems very probable , that these convex glasses , and concave mirrors might be used with success , to view by night , objects which cannot be seen only because of the de- fect of light ; for , happening ...
Contents
OF | 3 |
History of Astronomy for the Year 1803 Read at | 10 |
Gerions Errors | 14 |
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