The National Geographic Magazine, Volume 83National Geographic Society, 1943 - Geography Indexes kept up to date with supplements. |
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Page 33
... light the way you want it . When light strikes glass it travels from a lighter medium , air , through a denser medium , glass , and slows down . If light strikes glass obliquely , the light bends . Moreover , each color ray bends at a ...
... light the way you want it . When light strikes glass it travels from a lighter medium , air , through a denser medium , glass , and slows down . If light strikes glass obliquely , the light bends . Moreover , each color ray bends at a ...
Page 205
... light and air . Most of the portholes were painted over , however , so that if it was too cold to open them the men had to use artificial light day and night . The Commodore was very particular about the blackout . One morning he ...
... light and air . Most of the portholes were painted over , however , so that if it was too cold to open them the men had to use artificial light day and night . The Commodore was very particular about the blackout . One morning he ...
Page
Westinghouse creates light by the mile ... Light for the airport ... light for the long factory aisle ... light on the hands of a woman , knitting in the evening . Out of steam or waterpower , Westinghouse equipment generates ...
Westinghouse creates light by the mile ... Light for the airport ... light for the long factory aisle ... light on the hands of a woman , knitting in the evening . Out of steam or waterpower , Westinghouse equipment generates ...
Contents
Aircraft Insignia Spirit of Youth By GERARD HUBBARD With 337 illustrations in color 710 | vi |
Coast Guard Patrol in Greenland 9 illustrations in color from naturalcolor photographs | xii |
Surinam Subjects of Queen Wilhelmina 13 illustrations in color from naturalcolor photo | xiii |
Copyright | |
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