One of my favorite photographs: Twain in Tesla's lab https://cdn8.openculture.com/wp-content/uploads/2013/10/Mark-Twain-Nikola-Tesla-Laboratory-1894.jpg https

One of my favorite photographs: Twain in Tesla's lab https://cdn8.openculture.com/wp-content/uploads/2013/10/Mark-Twain-Nikola-Tesla-Laboratory-1894.jpg https://cdn8.openculture.com/wp-content/uploads/2013/10/Mark...