![Engines of Our Ingenuity show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/068/560/small/engines-of-our-ingenuity-houston-public-media.png)
Summary: <p>Episode: 1447 18th-C factory maintenance: messier than Diderot showed us. Today, a question of image and reality. </p>
Summary: <p>Episode: 1447 18th-C factory maintenance: messier than Diderot showed us. Today, a question of image and reality. </p>