REMOVE

1. Industrial revolution
2. BESSEMER, Henry

WHAT

1. Bessemer process (1)
2. Bessemer, Henry, Sir, 181 … (1)
3. Museums -- England -- She … (1)
4. Steel (1)

WHERE

1. ENGLAND, UK (1)
2. Sheffield, South Yorkshir … (1)

WHEN

1. 1856 (1)