Hi All, A customer, who is restoring an Ampico 'grasshopper' pump, sent
me a video that I thought I should share with the group. I had never
seen a pump like this before.

A few rebuilders in two Facebook groups said it was used in very later
model Ampico uprights.

Musically,
John A Tuttle
Player-Care
Brick, New Jersey, USA

 [ Ampico Grasshopper Pump
 [ https://www.mmdigest.com/Attachments/25/04/25/250425_122121_player%20piano%20pump.mp4