Model built for the Williamson Art Gallery and Museum, Birkenhead, UK.
Lock gates
| L1 | Alfred entrance | Lock gates N outer | 1 | 2.8 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L2 | Alfred entrance | Lock gates N inner | 1 | 2.5 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L3 | Alfred entrance | Lock gates S outer | 3 | 2.0 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L4 | Alfred entrance | Lock gates S inner | 2 | 2.2 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
Alfred entrance locks from River Mersey, north side (x2), south side inner (x3), south side outer (x2)
| L5 | Alfred / East float | Lock gates N | 2 | 2.8 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L6 | Alfred / East float | Lock gates mid | 3 | 0.8 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L7 | Alfred / East float | Lock gates S | 3 | 1.5 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
Locks from Alfred dock into East Float, north side (x2), middle (x3), south (x3)
| L8 | Egerton / Morpeth | Lock gates | 1 | 1.7 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L9 | Morpeth entrance | Lock gates | 4 | 2.4 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
Morpeth entrance locks from River Mersey into Morpeth dock (x4) and gate between Morpeth and Egerton dock
| L10 | West Float graving | Lock gates W | 1 | 2.2 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L11 | West Float graving | Lock gates mid | 1 | 1.2 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
| L12 | West Float graving | Lock gates E | 1 | 1.5 | 0.3 | 2 gates 120 deg V section | 26-Mar-19 |
Entrance gates for graving docks on the West Float
