Career
Most notably the invention of the automatic player piano, the free reed organette and the first voting machine based in perforations of paper in 1892. McTammany immigrated to the United States as a teenager and served in the Civil War.
Most notably the invention of the automatic player piano, the free reed organette and the first voting machine based in perforations of paper in 1892. McTammany immigrated to the United States as a teenager and served in the Civil War.
