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In 1851 the Sunday School had 534 children attending on Sunday mornings and 625 in the afternoon. Gas lighting was introduced into the Chapel in 1846. Revd James Mursell, whose ministry began in March 1853, had an "exciting and innovative" ministry. It was during his time that the new chapel was built. The Fuller Chapel, as it was named, opened for worship on 24 September 1861.