Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology, Chemistry, Etc., Etc., EtcW.H. Steele, 1883 - 781 páginas |
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Página 472
... distance of three miles when standing on a plain . We can always find the distance visible when we know the height at which we stand , or , inversely , we can tell the height of an object if we know the distance . We have only to ...
... distance of three miles when standing on a plain . We can always find the distance visible when we know the height at which we stand , or , inversely , we can tell the height of an object if we know the distance . We have only to ...
Página 485
... distance in a straight line , and measure that distance very carefully . By means of the theodolite we can calculate the angles which our eye , or a supposed line drawn from our eye to the top of the object ( C ) we wish to find the ...
... distance in a straight line , and measure that distance very carefully . By means of the theodolite we can calculate the angles which our eye , or a supposed line drawn from our eye to the top of the object ( C ) we wish to find the ...
Página 503
... distance from the earth is 92,000,000 of miles . The distance varies in winter and summer . In the former period the sun is nearer than in summer , and yet as the rays strike over us , and pass us , as it were , we feel less heat . When ...
... distance from the earth is 92,000,000 of miles . The distance varies in winter and summer . In the former period the sun is nearer than in summer , and yet as the rays strike over us , and pass us , as it were , we feel less heat . When ...
Contenido
Science in the Open AirAphidesEvaporation by LeavesAn AquariumThe | 6 |
WATER | 45 |
CHAPTER XIX | 212 |
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Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology ... Gaston Tissandier Vista previa limitada - 2016 |
Popular Scientific Recreations in Natural Philosophy, Astronomy, Geology ... Gaston Tissandier Vista previa limitada - 2018 |
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