The Dolph "Speed" typewriter was invented by Attorney Fred A. Dolph of Washington, D.C., ca.1926. To be honest, I'm not sure what to make of this "speed typewriter" but I am very curious to find out. Though Mr. Dolph was expecting to make a "fortune" from his inventions, he unfortunately passed away in the middle of developing it.
Have some info about this typewriter? Have you found it? If yes, please email me at Antikey.Chop@gmail.com