The National Geographic Magazine, Volume 113National Geographic Society, 1958 - Geography Indexes kept up to date with supplements. |
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Page 378
... keep an eye on the lowering of the anchor . We are using a two - stage winch systemone 30 - horsepower winch to haul the line up , absorbing its tension , and a smaller one to pick up the slackened rope from the first drum and wind it ...
... keep an eye on the lowering of the anchor . We are using a two - stage winch systemone 30 - horsepower winch to haul the line up , absorbing its tension , and a smaller one to pick up the slackened rope from the first drum and wind it ...
Page 473
... keep his delicate seismometer from detecting camp vibrations as well as earthquakes , he had it set up in a pit 1,000 feet away from the station . A long tunnel through the snow connected it with the main buildings ( page 447 ) . Bob's ...
... keep his delicate seismometer from detecting camp vibrations as well as earthquakes , he had it set up in a pit 1,000 feet away from the station . A long tunnel through the snow connected it with the main buildings ( page 447 ) . Bob's ...
Page 847
... keep eyes partly closed . Animals do not like to be stared at . 3. Hold hands high so that any movement is down , as leaves fall . 4. When listening to faint sounds , keep mouth slightly open ( as lovers of music do in the top gallery ...
... keep eyes partly closed . Animals do not like to be stared at . 3. Hold hands high so that any movement is down , as leaves fall . 4. When listening to faint sounds , keep mouth slightly open ( as lovers of music do in the top gallery ...
Contents
XXX | 509 |
Mexico International park planned | 509 |
Turkeys Country of Cones 122 | 509 |
Copyright | |
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