Quantity of castings and drawings for, respectively
"Warrior" and
"Marcher", the former a development of Edgar Westbury's design by John Bertinat, the latter his own design for a scaled down version of the "Borderer" twin.
| length/inches |
9 |
| width/inches |
5 |
| height/inches |
5 |
| weight/kg |
5 |
| cylinder material |
gunmetal |