Atmospheric Telegraph. Electro Magnetic Steam Boiler Alarm. The New Light and New Motive Power. The Aztec Children. Changes in the Patent Office. Apple Trees Killed with Potash. Fall of Catfish. A new Mode of Ship Ventilation. Improvement in Mills for Sawing. Improvement in Bedsteads. Sash Fastener., scientific american, 1853-06-04

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Atmospheric Telegraph. Electro Magnetic Steam Boiler Alarm. The New Light and New Motive Power. The Aztec Children. Changes in the Patent Office. Apple Trees Killed with Potash. Fall of Catfish. A new Mode of Ship Ventilation. Improvement in Mills for Sawing. Improvement in Bedsteads. Sash Fastener., scientific american, 1853-06-04

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