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  2. WIMBALL'S PATENT APPARATUS FOR DESTROYING INSECTS.

    THE improvements Mr. Wimball has introduced under letters patent, consist of a simple machine to he traversed over growing crops infested with destructive insects for the purpose of destroying them. For that purpose, a furnace or fire carried ... [ILLUSTRATED]

    Article : 660 words
  3. IMPROVED APPARATUS FOR HEATING FEED WATER FOR STEAM ENGINES.

    THE accompanying illustration represents one arrangement of M. Baudouin's for heating feed water. The apparatus is placed between the feed pump and the boiler, and consists of a cylindrical or other suitably shaped reservoir or vessel, containing ... [ILLUSTRATED]

    Article : 415 words
  4. COLONIAL PATENTS AND INVENTIONS.

    FROM our examinations of the various inventions that are brought out through the vehicle of the Patent Office, we cannot but congratulate our fellow-colonists upon the progress which is being made in manufactures, to which we have ...

    Article : 1,667 words
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