Engines Podcast

Engines of Our Ingenuity 1469: The Hourglass

Episode: 1469 The hourglass: the poor man’s clock, the poor man’s metaphor. Today, let’s look at the hourglass.  

Episode: 1469 The hourglass: the poor man’s clock, the poor man’s metaphor. Today, let’s look at the hourglass.

 

 

This article is part of the Engines of Our Ingenuity podcast

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