Chemical News and Journal of Industrial Science, Tomy 3-4Chemical news office., 1861 |
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Strona 135
... effect ; " whilst the intensity of the heat , or the temperature produced by a combustible , is termed its pyrometric thermal effect . The absolute thermal effect of different combustibles used as fuels is a matter which , in practice ...
... effect ; " whilst the intensity of the heat , or the temperature produced by a combustible , is termed its pyrometric thermal effect . The absolute thermal effect of different combustibles used as fuels is a matter which , in practice ...
Strona 217
... effect , I am about to employ hot water , because we get the effect far more rapidly and visibly with hot than with cold water , and it is a very visible effect which I must produce in order to render it evident to you that there is any ...
... effect , I am about to employ hot water , because we get the effect far more rapidly and visibly with hot than with cold water , and it is a very visible effect which I must produce in order to render it evident to you that there is any ...
Strona 97
... effect on this plate , and I may work with this gas flame for a short time , at all events , with im- punity . Now we will expose the plate to the spectrum . I will make a mark here where the luminous spectrum goes to . It is a very ...
... effect on this plate , and I may work with this gas flame for a short time , at all events , with im- punity . Now we will expose the plate to the spectrum . I will make a mark here where the luminous spectrum goes to . It is a very ...
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