Chemical News and Journal of Industrial Science, Tomy 135-136Chemical news office., 1927 |
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Strona 8
... important part in modern industry and in the modern home . Metal polishes for silver , for nickel , or for brass are ... importance of these non - metal- lic mineral products led the Mineral Re- sources Division of the Mines Branch ...
... important part in modern industry and in the modern home . Metal polishes for silver , for nickel , or for brass are ... importance of these non - metal- lic mineral products led the Mineral Re- sources Division of the Mines Branch ...
Strona 43
... important products of this works from the metallurgist's point of view is a product sold as Aero brand cyanide . This contains calcium - sodium cyanides , the cyanide strength being equivalent to 49 or 50 per cent . sodium cyanide . It ...
... important products of this works from the metallurgist's point of view is a product sold as Aero brand cyanide . This contains calcium - sodium cyanides , the cyanide strength being equivalent to 49 or 50 per cent . sodium cyanide . It ...
Strona 44
... important industries . Dr. W. C. Geer has ably presented the development of this in- dustry in an article printed elsewhere in this issue which covers both research and operating advances . The American Telephone and Telegraph Company ...
... important industries . Dr. W. C. Geer has ably presented the development of this in- dustry in an article printed elsewhere in this issue which covers both research and operating advances . The American Telephone and Telegraph Company ...
Strona 52
... important points- creating perspective than in conveying information which can be obtained quite easily from a book ... importance in the later stages when the deficiences of the text - book have to be made good . While the laboratory ...
... important points- creating perspective than in conveying information which can be obtained quite easily from a book ... importance in the later stages when the deficiences of the text - book have to be made good . While the laboratory ...
Strona 54
... important tools for metal working to - day are the oxy - acetylene welding and cutting torches . This equip- ment has been made really valuable by an unusually broad co - operative effort among several companies . The Union Carbide ...
... important tools for metal working to - day are the oxy - acetylene welding and cutting torches . This equip- ment has been made really valuable by an unusually broad co - operative effort among several companies . The Union Carbide ...
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