Henry Erni

Mineralogy Simplified: Easy Methods of Identifying Minerals, Including Ores, by Means of the Blow-Pipe, by Flame Reactions, by Humid Chemical

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Henry Erni Mineralogy Simplified: Easy Methods of Identifying Minerals, Including Ores, by Means of the Blow-Pipe, by Flame Reactions, by Humid Chemical

4,3

Mineralogy Simplified: A Short Method Of Determining And Classifying Minerals, By Means Of Simple Chemical Experiments In The Dry And Wet Way

Franz von Kobell

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Franz von Kobell Mineralogy Simplified: A Short Method Of Determining And Classifying Minerals, By Means Of Simple Chemical Experiments In The Dry And Wet Way

4,3

Coal Oil and Petroleum: Their Origin, History, Geology, and Chemistry

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Henry Erni Coal Oil and Petroleum: Their Origin, History, Geology, and Chemistry

4,3

Mineralogy Simplified: Easy Methods Of Identifying Minerals, Including Ores, By Means Of The Blowpipe, By Flame Reactions, By The Spectroscop

Uitverkocht

Henry Erni Mineralogy Simplified: Easy Methods Of Identifying Minerals, Including Ores, By Means Of The Blowpipe, By Flame Reactions, By The Spectroscop

4,3