Tracker Bar
AssemblyArray of vacuum ports sensing perforations in paper roll. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Tracker Bar
4 top-level lines as of r128144| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Tracker Ports | player-piano-tracker-ports | 1× | 1 | · | part |
| 2 | Tracker Body | player-piano-tracker-body | 1× | 1 | · | part |
| 3 | Tracker Gaskets | player-piano-tracker-gaskets | 1× | 1 | · | part |
| 4 | Port Manifold | player-piano-port-manifold | 1× | 1 | · | part |