Industry and Veracity. A French Wheat Cleaner. How to Determine Expansion. Temperature of the Earth:at Different Depths. Bleaching Sponges. Cooking and Heating with Gas., scientific american, 1884-06-07

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Industry and Veracity. A French Wheat Cleaner. How to Determine Expansion. Temperature of the Earth:at Different Depths. Bleaching Sponges. Cooking and Heating with Gas., scientific american, 1884-06-07

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