LOADING
LOADING
《Description of the Process of Manufacturing Coal Gas, for the Lighting of Streets Houses, and Public Buildings With Elevations, Sections, and Plans of the Most Improved Sorts of Apparatus Now Employed at the Gas Works in London and the Principal Provincial Towns of Great Britain; Accompanied With Comparative Estimates, Exhibiting the Most Economical Mode of Procuring This Species of Light》,Friedrich Christian Accum。这是一部关于历史、科学、文学的公版作品,适合在安静的片刻里慢慢读下去。
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