Knowledge: An Illustrated Magazine of Science, Том 8 |
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Стр. iv
These lenses for Portraits , Groups , Architecture , & c . , are unsurpassed , and their depth of focus and beauty of detail are equal to any yet produced at Home or Abroad ( prices moderate ) . Catalogue of Photographic Apparatus ...
These lenses for Portraits , Groups , Architecture , & c . , are unsurpassed , and their depth of focus and beauty of detail are equal to any yet produced at Home or Abroad ( prices moderate ) . Catalogue of Photographic Apparatus ...
Стр. 5
AN EQUAL SURFACE PROJECTION . THE conical projection which I have described in my papers on mapping is on the whole the best for representing small portions of the surface of a globe , and especially for maps of the constellations on ...
AN EQUAL SURFACE PROJECTION . THE conical projection which I have described in my papers on mapping is on the whole the best for representing small portions of the surface of a globe , and especially for maps of the constellations on ...
Стр. 6
I take first the equal surface projection which I have used so often in star - maps - as in my chart of 324,000 stars , my charts of the northern and southern heavens , and in other cases . The reason why I take this first is not that ...
I take first the equal surface projection which I have used so often in star - maps - as in my chart of 324,000 stars , my charts of the northern and southern heavens , and in other cases . The reason why I take this first is not that ...
Стр. 7
The accompanying charts are on a central equal - sur- face projection . The projection is obtained ( or may be obtained , for in practice the use of a table of natural sines is far more convenient ) by the construction shown on next ...
The accompanying charts are on a central equal - sur- face projection . The projection is obtained ( or may be obtained , for in practice the use of a table of natural sines is far more convenient ) by the construction shown on next ...
Стр. 8
In my " Essays on Astronomy " there is an article on equal - surface projec- tion illustrated by charts of the whole surface of the earth on three projections possessing this property . The first of these charts is on the polar equal ...
In my " Essays on Astronomy " there is an article on equal - surface projec- tion illustrated by charts of the whole surface of the earth on three projections possessing this property . The first of these charts is on the polar equal ...
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