IMPROVED DEVICE FOR DETACHING ANIMALS. IMPROVED HOOD FOR STOVES OR RANGES. 4 AN INSULATOR FOR ELECTRICAL CONDUCTORS. A NOVEL NUT LOCK. NEEF'S STOVE HOOD. AN IMPROVED PLANT NEST. PATTEN'S NOVEL NUT LOCK. KUBATZ'S DEVICE FOR DETACHING ANIMALS. BROWN'S INSULATOR. AN IMPROVED ROTARY HARROW., scientific american, 1889-03-30


IMPROVED DEVICE FOR DETACHING ANIMALS. IMPROVED HOOD FOR STOVES OR RANGES. 4 AN INSULATOR FOR ELECTRICAL CONDUCTORS. A NOVEL NUT LOCK. NEEF'S STOVE HOOD. AN IMPROVED PLANT NEST. PATTEN'S NOVEL NUT LOCK. KUBATZ'S DEVICE FOR DETACHING ANIMALS. BROWN'S INSULATOR. AN IMPROVED ROTARY HARROW., scientific american, 1889-03-30


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