1885
The Columbia Music Typewriter was invented by Charles Spiro and patented on December 1, 1885. It was produced by the Columbia Music Typewriter Company. The size of the machine was 4.5 inches in length, 2 inches wide, and 2.5 inches in height. One source has the machine weighing 1/4 of a pound and another one gives the weight of 1/2 a pound.
