Amer. nomenclature for what in Eng. is called Amer. org. This resembles the harmonium, but the air is sucked through the reeds instead of being forced through them and the tone is less pungent. There is no ‘Expression’ device and so where other means than the player's feet can be applied for operating the bellows, a pedal‐board like that of an organ can be built in as part of the instr. Invented by worker in Alexandre's Paris factory but developed in Boston, Mass.