![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: 1436 Adding it up in 1910: A book grapples with the coming 20th century. Today, a world prepares to be transformed. </p>
Summary: <p>Episode: 1436 Adding it up in 1910: A book grapples with the coming 20th century. Today, a world prepares to be transformed. </p>