A History of Mason & Hamlin Based in Haverhill, Massachusetts, Mason & Hamlin was founded in Boston, Massachusetts in 1854 by the son of famous American hymn composer Lowell Mason, Henry Mason and Emmons Hamlin, to manufacture melodeons, a type of pump organ. However in 1855 they debuted the organ-harmonium, a flat topped cabinet organ [...]The post Mason & Hamlin - Excellence in Design and Durability - The Artist's Grand Piano appeared first on A440 Pianos.