Record of Scientific Progress for the Year 1891: Exhibiting the Most Important Discoveries and Improvements in All the Branches of Engineering, Architecture and Building, Mining and Metallurgy, the Me

Excerpt from Record of Scientific Progress for the Year 1891: Exhibiting the Most Important Discoveries and Improvements in All the Branches of Engineering, Architecture and Building, Mining and Metallurgy, the Mechanic Arts, Industrial Technology and the Useful Arts, Photography, Chemistry, Etc

I have tried to make the record complete, concise, popular, useful, interesting, convenient, and accurate.

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