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Last edited by RenameBot
September 6, 2008 | History

Henry Erni

We need a photo of Henry Erni

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  • Cover of: Mineralogy simplified.: Easy methods of identifying minerals, including ores, by means of the blow-pipe, by flame reactions, by humid chemical analysis, and by physical tests.

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  • Cover of: Coal oil and petroleum: their origin, history, geology, and chemistry ...

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  • Cover of: Correspondence: Erni (Henry) and Engelmann (George)

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We need a photo of Henry Erni

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September 6, 2008 Edited by RenameBot fix author name
April 1, 2008 Created by an anonymous user initial import