The National Geographic Magazine, Volume 100National Geographic Society, 1951 - Geography Indexes kept up to date with supplements. |
From inside the book
Results 1-3 of 77
Page 46
... lights and water . So complex is the board that Brewer still discovers new com- binations for water patterns . The color switches are so finely graduated that the oper- ator can make light changes that the human eye cannot detect . When ...
... lights and water . So complex is the board that Brewer still discovers new com- binations for water patterns . The color switches are so finely graduated that the oper- ator can make light changes that the human eye cannot detect . When ...
Page 641
... light , this strained network of atoms vibrates and gives off visible light , causing the specimens to glow like hot coals . Many minerals which are ordinarily dull and drab looking are transformed by fluores- cence into dazzling ...
... light , this strained network of atoms vibrates and gives off visible light , causing the specimens to glow like hot coals . Many minerals which are ordinarily dull and drab looking are transformed by fluores- cence into dazzling ...
Page 759
... light emitted by atoms of a new kind of man - made mercury . Its chem- ical name is mercury 198. All light moves in waves , like waves in water , and wavelength is the distance between the crests of two waves . The wavelength of the green ...
... light emitted by atoms of a new kind of man - made mercury . Its chem- ical name is mercury 198. All light moves in waves , like waves in water , and wavelength is the distance between the crests of two waves . The wavelength of the green ...
Contents
Around the World in Eighty Days By Newman Bumstead With 34 illustrations | 9 |
Colorados Friendly Topland Rocky Mountains By Robert M Ormes With 19 illus | 9 |
The Ghosts of Jericho Jordan By James L Kelso 825 | 19 |
Copyright | |
4 other sections not shown
Other editions - View all
Common terms and phrases
ALEXANDER WETMORE American Anthony Stewart Arctic Baylor Roberts birds Bowdoin building built Bureau of Standards California canoes century coast color crop dragonfly ducks early East Editor Eskimo Europe farm feet fish Folger fruit garden Geographic Society Kodachrome Gilbert Grosvenor green growing grown head Hummingbird Iceland inches Indian Iran Isfahan Island Jericho John Kodachrome Labrador Lake land light logs Longwood Gardens looked Luis Marden Maynard Owen Williams Mexico miles minerals Mount mountains NATIONAL GEOGRAPHIC MAGAZINE National Geographic Photographer National Geographic Society native nest night North Dakota Painting Palio Peak plants plums produced radio Reykjavík River road rock ship Soviet species stone Tehran tion Today town trees trip Turkey United Valley varieties village Volkmar Wentzel walls Washington West Berlin winter wood