Mark 12-A Mark 12-B
Dimensions: At least 292 x [370]
Chainlines, Mark A:Top: [ | 22 | 21 | 21 ( 19 ) 20 | 21 | 22 | 20 | 21 | 21 | 21 | 21 | 22 | 20 | 20 | ]Chainlines, Mark B:
Bot: [ | 21 | 20 | 20 ( 21 ) 20 | 21 | 22 | 21 | 21 | 21 | 20 | 22 | 22 | 21 | 19 | ]
Top: [ | xx | 23 | 19 | 20 ( 22 ) 21 | 21 | 20 | 20 | 21 | 21 | 21 | 18 | 22 | 20 | 20 | 21 | ]
Bot: [ | 20 | 22 | 21 | 21 ( 20 ) 20 | 21 | 21 | 21 | 21 | 21 | 20 | 21 | 21 | 20 | 22 | xx | ]
Wirelines: