A radio episode explores the Indian canoe as a perfected technology. The focus is on birch-bark canoes. This episode is part of a series called The Engines of Our Ingenuity.

Further details about the episode are available from the source. The episode number is 1620, and it discusses the Indian canoe in the context of perfected technologies. The source provides more information about this topic, including the specifics of the episode and its content.

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