The National Geographic Magazine, Volumes 98-99National Geographic Society, 1951 - Geography Indexes kept up to date with supplements. |
From inside the book
Results 1-3 of 69
Page 589
... Then the spectators were caught by flash bulb . Finally , the camera shutter was left open , the room lights were turned off , and the bolt was photographed by its own brilliant light . Old Covered Bridge and White Church Say This Is New.
... Then the spectators were caught by flash bulb . Finally , the camera shutter was left open , the room lights were turned off , and the bolt was photographed by its own brilliant light . Old Covered Bridge and White Church Say This Is New.
Page 697
... Light Cells Just as a fire will not burn in a vacuum , the insect's cold combustion cannot take place without oxygen . Its branching ventilation system ends in minute tubes supplying air to each cell . There light results from the ...
... Light Cells Just as a fire will not burn in a vacuum , the insect's cold combustion cannot take place without oxygen . Its branching ventilation system ends in minute tubes supplying air to each cell . There light results from the ...
Page 697
... light , that of P. pyralis , was found by Dr. William W. Coblentz , of the National Bureau of Standards , to have a usual strength of one 400th candlepower . Less bright , but often sustained for minutes at a time , is that of the big ...
... light , that of P. pyralis , was found by Dr. William W. Coblentz , of the National Bureau of Standards , to have a usual strength of one 400th candlepower . Less bright , but often sustained for minutes at a time , is that of the big ...
Other editions - View all
Common terms and phrases
Accredited Address Air France ALEXANDER WETMORE American ancient Anthony Stewart arms artist Baggara beauty Big Trees birds boys buildings California camera Canada Catalog caves century City College color Company dance Dept East eggs enjoy Ensign famous feet fireflies fishing flamingo Geographic Society Kodachrome girls golf highway hills Illustrations industry Irving Johnson King Kodachrome Ladakh Lake land living Long Island Luis Marden MAYNARD OWEN WILLIAMS Mention the National Merchant Flag Mesopotamia miles MILITARY modern mountain National Flag National Geographic Magazine National Geographic Society National Geographic-It identifies Nuba Pacific painted Park perfume Photographer picture Puerto Puerto Rico ride River road Robert Moore Royal sailing Sequoia Sevilla South Street tion town trail Travel Agent United Urumchi vacation Valley village Volkmar Wentzel walls Washington watch West women Write Yankee York