ICE PAPER. ACTION OF HEAT UPON COAL. FLUSHING SEWERS HACKLING LONG VEGETABLE FIBERS COMBING FLAX. ARTIFICIAL LEATHER. FRICTION LIGHT PAVING STREETS STEAM BOILERS SCIENTIFIC INTELLIGENCE. THE REDUCING PROPERTIES OF METALLIC ALUMINUM. ACTION OF ELECTRICITY UPON AIR AND OXYGEN IN THE FORMATION OF OZONE. Ilw PROGRESS OF INVENTION ABROAD. WATERING OF STREETS BY CHEMICALS, scientific american, 1870-11-19

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