Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3763Chemical news office., 1932 |
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Strona 338
... progress in these fields - in fact the range of activities is increasing , quite apart from the improvement of existing plant and methods . There are some who rail against the introduction of new devices and methods - that profound ...
... progress in these fields - in fact the range of activities is increasing , quite apart from the improvement of existing plant and methods . There are some who rail against the introduction of new devices and methods - that profound ...
Strona 340
... progress . Many , many times in days long gone the teachings of physics have seemed to conflict with the verdict of then - known knowledge and the minds of mankind . It must have been terribly difficult for the idea to become acceptable ...
... progress . Many , many times in days long gone the teachings of physics have seemed to conflict with the verdict of then - known knowledge and the minds of mankind . It must have been terribly difficult for the idea to become acceptable ...
Strona 349
... progress made in the continuation of this research , the parti- cular wave - length to which attention has recently been given being 1.6 metres . A brief description is given of the simple , but efficient , transmitting and receiving ...
... progress made in the continuation of this research , the parti- cular wave - length to which attention has recently been given being 1.6 metres . A brief description is given of the simple , but efficient , transmitting and receiving ...
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