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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-04-28), Heft 32, S. 254serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 2 (1847-04-24), Heft 31, S. 242serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1848-10-28), Heft 6, S. 44serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-06-30), Heft 41, S. 326serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-07-14), Heft 43, S. 342serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 2 (1847-07-24), Heft 44, S. 346serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 5 (1849-12-15), Heft 13, S. 104serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 5 (1849-12-22), Heft 14, S. 112serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-01-13), Heft 17, S. 134serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-02-10), Heft 21, S. 162serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-03-03), Heft 24, S. 186serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-03-17), Heft 26, S. 207serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-07-14), Heft 43, S. 339serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1849-07-14), Heft 43, S. 338serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 1 (1846-05-28), Heft 36, S. 3serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 1 (1846-06-04), Heft 37, S. 1serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 4 (1848-09-30), Heft 2, S. 14serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 5 (1849-12-15), Heft 13, S. 98serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 1 (1845-09-25), Heft 5, S. 2serialPeriodicalZugriff:
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In: Scientific American (New York, NY - 1845-1846), Jg. 1 (1846-01-15), Heft 18, S. 2serialPeriodicalZugriff: