Scientific Use of the Imagination and Other EssaysLongmans, Green and Company, 1872 - 63 páginas |
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Página 21
... microscope therefore we can submit our particles to an experimental test . If they are as large as the light - waves they will infallibly be seen ; and if they are not seen it is because they are smaller . I placed in the hands of our ...
... microscope therefore we can submit our particles to an experimental test . If they are as large as the light - waves they will infallibly be seen ; and if they are not seen it is because they are smaller . I placed in the hands of our ...
Página 22
John Tyndall. But no particles were seen . Under the microscope the turbid liquid was not to be distinguished from distilled water . Brücke also found the particles to be of ultra- microscopic magnitude . But we have it in our power to ...
John Tyndall. But no particles were seen . Under the microscope the turbid liquid was not to be distinguished from distilled water . Brücke also found the particles to be of ultra- microscopic magnitude . But we have it in our power to ...
Página 23
... microscope can cope with them . But they continually grow larger , and pass by insensible gradations into the state of cloud , when they can no longer elude the armed eye . Thus without solu- tion of continuity we start with matter in ...
... microscope can cope with them . But they continually grow larger , and pass by insensible gradations into the state of cloud , when they can no longer elude the armed eye . Thus without solu- tion of continuity we start with matter in ...
Página 24
... microscope what must have been the size of these par- ticles at the beginning of their growth ? What notion can you form of the magnitude of such particles ? The distances of stellar space give us simply a bewildering sense of vastness ...
... microscope what must have been the size of these par- ticles at the beginning of their growth ? What notion can you form of the magnitude of such particles ? The distances of stellar space give us simply a bewildering sense of vastness ...
Página 25
John Tyndall. are dealing with infinitesimals compared with which the test objects of the microscope are literally immense . From their perviousness to stellar light , and other considerations , Sir John Herschel drew some startling con ...
John Tyndall. are dealing with infinitesimals compared with which the test objects of the microscope are literally immense . From their perviousness to stellar light , and other considerations , Sir John Herschel drew some startling con ...
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