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Books Books 1 - 7 of 7 on may now find the depletion in the visible part of the spectrum which is not in general....
" may now find the depletion in the visible part of the spectrum which is not in general the same as that for the invisible part, decreasing relatively with the altitude and reversely increasing as the air envelope becomes thicker. It does this at a greater... "
The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science - Page 170
1907
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MARS AS THE ADOBE OF LIFE

PERCIVAL LOWELL - 1908
...between X = 1.2 fi and = io/ by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE RAYS We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air—dust, water globules, and ice — augment more...
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Mars as the abode of life

Percival Lowell - Science - 1908 - 288 pages
...between X = 1.2 /* and = io/it by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE RAYS We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air — dust, water globules, and ice — augment...
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Mars as the Abode of Life

Percival Lowell - Cosmogony - 1910 - 288 pages
...between \ = 1.2 A* and = io n by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE RAYS We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air—dust, water globules, and ice—augment more...
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Daedalus: Journal of the American Academy of Arts and Sciences

Science - 1907
...between A = 1.2 ft and = 10 ft by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE RAYS. We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air, dust, water globules, and ice augment more rapidly...
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Daedalus: Journal of the American Academy of Arts and Sciences

Science - 1907
...between X = 1.2 ft and = 10 p by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE RAYS. We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air, dust, water globules, and ice augment more rapidly...
Full view - About this book

Daedalus: Journal of the American Academy of Arts and Sciences

Science - 1907
...between A. = 1.2 ft and = 10 ft by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE RAYS. We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air, dust, water globules, and ice augment more rapidly...
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Daedalus: Journal of the American Academy of Arts and Sciences

Science - 1907
...between X = 1.2 i and = 10 n by rising the 11,700 ft. from sea-level. DEPLETION IN VISIBLE KAYS. We may now find the depletion in the visible part of...does this at a greater rate than the increase of the air mass, because the particles suspended in the air, dust, water globules, and ice augment more rapidly...
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