Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3758Chemical news office., 1932 |
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Strona 261
... Company on February 13 , 1929 , for the execution of a finished mirror of as large dimensions as could be satis- factorily made from the unground disc . Work was begun on the grinding of the disc in August , 1929 , and has been ...
... Company on February 13 , 1929 , for the execution of a finished mirror of as large dimensions as could be satis- factorily made from the unground disc . Work was begun on the grinding of the disc in August , 1929 , and has been ...
Strona 265
... Company , near Nappan , Nova Scotia , also passed through several hundred feet of salt , many of the beds of which were pure white , coarsely crystalline , and virtually free from impurities . Traces of potash were found . in the salt ...
... Company , near Nappan , Nova Scotia , also passed through several hundred feet of salt , many of the beds of which were pure white , coarsely crystalline , and virtually free from impurities . Traces of potash were found . in the salt ...
Strona
... Companies and Firms , and to Universities , Colleges , Technical Schools , etc. , requiring the services of Chemists . A REGISTER OF LABORATORY ASSISTANTS who have matriculated and are desirous of junior posts in the Chemical Industry ...
... Companies and Firms , and to Universities , Colleges , Technical Schools , etc. , requiring the services of Chemists . A REGISTER OF LABORATORY ASSISTANTS who have matriculated and are desirous of junior posts in the Chemical Industry ...
Spis treści
The Story of the Perkins Reflector | 260 |
Decline in U S Phosphates Output | 266 |
Mohlers Test for Benzoic Acid Edward T Illing B Sc F I C | 269 |
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