These pictures show the building of the test and the final pre-production etches, Click the pictures to view full size
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| Mocked-up chassis | Rods test | Mocked-up chassis - side | |
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| Bogie underside | Bogie - upside down | Bogie | Bogie with wheels temporarily fitted |
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| Front frame underside | Front frame | Front frame | Front frame - side |
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| Pony truck top | Pony truck underside | Pony truck | Front frame overlays |
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| Sub-frame front | Sub-frame top | Sub-frame | Sub-frame |
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| With damper operating rod | Lower firebox underside | Lower firebox fitted | Motion bracket |
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| Pony truck, bogie and brakes fitted | |||