Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
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Strona 27
... various Govern- mental authorities with whom he had con- vertations in Ottawa , Mr. Mackenzie urged that whatever decision or decisions might be arrived at finally , it would be of great and real benefit to the various British manufac ...
... various Govern- mental authorities with whom he had con- vertations in Ottawa , Mr. Mackenzie urged that whatever decision or decisions might be arrived at finally , it would be of great and real benefit to the various British manufac ...
Strona 411
... various labora- tories . For the purpose of definition and constancy a well controlled direct - current voltage source is provided for the X - ray tube . Using this , a comparison was made between the various methods using the same ...
... various labora- tories . For the purpose of definition and constancy a well controlled direct - current voltage source is provided for the X - ray tube . Using this , a comparison was made between the various methods using the same ...
Strona 134
... various grades and characteristics , etc. MESSRS . SPENCER CHAPMAN & MESSEL Ltd. Stand No. B.70 . The exhibit of this firm comprises the acids for which they are so well known , such as sulphur trioxido , oleum of strengths of 20 , 40 ...
... various grades and characteristics , etc. MESSRS . SPENCER CHAPMAN & MESSEL Ltd. Stand No. B.70 . The exhibit of this firm comprises the acids for which they are so well known , such as sulphur trioxido , oleum of strengths of 20 , 40 ...
Spis treści
THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
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