Roundhouse, detail of oil bunker located in inner court between stalls 10 and 11

Roundhouse (1856 portion), partition wall that once was the exterior end wall to the incomplete roundhouse, facing west

Roundhouse (1866 portion), general interior view facing east

Roundhouse (1856 portion), general interior view facing west

Roundhouse (1856 portion), roof truss and overhead traveling crane ways

Roundhouse (1856 portion), elevation of one roof truss