double bass | Double (association football) | double | Double Dragon | body double | Double bass | double (baseball) | double agent | double feature | Mamee Double-Decker | Double Dare | the double | double platinum | Double Dragon (TV series) | double-decker bus | Double (baseball) | Bombardier Double-deck Coach | The Double | NATO Double-Track Decision | Double Tenth Incident | Double-heading | double-headed eagle | Double-elimination tournament | Double Eagle II | Double Dutch Bus | Double Dee and Steinski | Double-decker tram | Double Bay, New South Wales | Double-banded Plover | Double-A |
It was unique amongst the 842-strong class in that it featured outside Stephenson link motion in addition to other experimental features; a double chimney, Timken roller bearings throughout and electric lighting.