Ice Formations. Errors in Regard to Gravitation. Inspection of Steam Boilers. The Unit of Work and the Unit of Force. PROFITS OF ADVERTISING. RECENT SPECULATIONS ON THE EARTH'S ORIGIN., scientific american, 1870-03-26
Ice Formations. Errors in Regard to Gravitation. Inspection of Steam Boilers. The Unit of Work and the Unit of Force. PROFITS OF ADVERTISING. RECENT SPECULATIONS ON THE EARTH'S ORIGIN., scientific american, 1870-03-26
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