REMOVE

1. Architecture
2. Electric lighting

WHAT

1. John Rylands Library (6)
2. Library buildings (5)
3. Lighting, Architectural a … (4)

WHERE

1. England: Greater Manchest … (6)
2. England: Manchester (2)

WHO

1. J.W. Singer & Sons Ltd (3)

WHEN

1. 21st Century CE (3)
2. 2007 (1)