It’s likely that without the invention of the pneumatic jackhammer, the Industrial Revolution wouldn’t have hummed along quite so smoothly. Certainly a lot more trains would go around mountains than through them. Learn about this essential tool in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
It’s likely that without the invention of the pneumatic jackhammer, the Industrial Revolution wouldn’t have hummed along quite so smoothly. Certainly a lot more trains would go around mountains than through them. Learn about this essential tool in this classic episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com
