Nature, Volume 103Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Página 305
... possible to render a ship strictly in- visible , but only to reduce her visibility . This in my view is not enough . A submarine commander , whose one object is to sink ships , will not be put off by reduced visibility . We know from ...
... possible to render a ship strictly in- visible , but only to reduce her visibility . This in my view is not enough . A submarine commander , whose one object is to sink ships , will not be put off by reduced visibility . We know from ...
Página 364
... possible the conditions under which the military camoufleur worked . Military information is obtained by horizontal ... possible the texture of the natural , for under the changing angles of illumination in Nature it is not possible to ...
... possible the conditions under which the military camoufleur worked . Military information is obtained by horizontal ... possible the texture of the natural , for under the changing angles of illumination in Nature it is not possible to ...
Página 373
... possible to receive signals from the principal European stations by simply laying a small wire netting on the ground beneath a tree and connecting it by an in- sulated wire to a nail driven in near the top of the tree . Instead of the ...
... possible to receive signals from the principal European stations by simply laying a small wire netting on the ground beneath a tree and connecting it by an in- sulated wire to a nail driven in near the top of the tree . Instead of the ...
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