Bidspirit auction | Edison Recording Attachment for Opera

Edison Recording Attachment for Opera and Amberola - Desirable cast iron recording attachment with an original Edison recorder. This accessory is intended to fit the Edison Opera and Edison Amberolas 1A and 1B. The recorder has its original diaphragm and cutting stylus, however, it is loose and contained in a plastic bag. See photos for details. A rare accessory. From the Allen Koenigsberg Collection