P-309ff EDISON Diaphragm for AMBEROLA Reproducer

P-309ff EDISON Diaphragm for AMBEROLA Reproducer. Reinforced design of recent manufacture. Works like new. Price is for one diaphragm with the cord linkage. In the photos light and reflections make the diaphragms look darker than they really are. [When replacing the diaphragm, you should also replace the gaskets, one on each side of the diaphragm. Gaskets are NOT included in this sale.  The gaskets are available here.]