Hi All, I've sent two pictures along with this posting that show an odd rotary pump and the part in the pump that's broken. The gentleman who is working on the pump is trying to find a replacement part of the spring that is broken. I will forward all correspondence/replies to him. Musically, John A Tuttle Player-Care.com Brick, New Jersey, USA [ Odd Rotary Pump [ http://www.mmdigest.com/Attachments/14/01/11/140111_084717_Snapshot_20140111_2.JPG [ Broken Spring [ http://www.mmdigest.com/Attachments/14/01/11/140111_084717_Snapshot_20140111_4.JPG