General view of Spiral Halt - looking southwards Photographer: William Martinson - 2015

Precast concrete signboard SPIRAL Photographer: William Martinson - 2015

View of decline from Spiral Halt showing pair of parallel rails converging into one Photographer: William Martinson - 2015

View of decline after Spiral Halt, showing pair of parallel rails converging into one Photographer: William Martinson - 2015

Detail of switchgear Photographer: William Martinson - 2015

Detail of cast iron switchgear mechanism Photographer: William Martinson - 2015

Oblique view of cast iron switchgear Photographer: William Martinson - 2015

Brass lock on cast iron switchgear Photographer: William Martinson - 2015