A well-advanced 3 1/2 inch gauge "Britannia", with largely complete chassis which appears up to air-running stage, silver soldered copper combustion chamber boiler and frames, tank and parts for a tender.
| length/inches |
33 |
| width/inches |
8 1/2 |
| height/inches |
10 |
| weight/kg |
38 |
| wheel material |
cast iron |
| axlebox type |
plain bearing |
| cylinder material |
gunmetal |
| valve type |
slide |
| valve gear |
Walschaerts |
| reverser type |
screw |
| boiler type |
locomotive with combustion chamber |
| boiler material |
copper |
| boiler construction |
silver soldered |
| superheater(s) |
4 |
| mechanical pump |
1 |