Looks like Harmonium manufacturer to me.
From IGI if you do not already have it
Clara Ellen MAUDSON, bapt 5 Jun 1877, Sheffield
Florence MAUDSON, bapt 3 Feb 1875, Sheffield
Annie MAUDSON, bapt 3 Feb 1875, Sheffield
parents Joseph Walker MAUDSON and Clara
William MAUDSON married Eliz WALKER, 9 Oct 1805, Wingfield, Derby,
Joseph Walker MAUDSON, born 21 May 1813, bapt 2 Jun 1813, Wesleyan, Cromford Circuit, Derby, parents William MAUDSON and Elizabeth WALKER.
Joseph Walker MAUDSON married Ellen Harvey GASCOYNE, 11 Feb 1834, Rotherham, Yorkshire.
Joseph Walker MAUDSON, bapt 2 Dec 1840, Chesterfield, Derby, parents Joseph Walker MAUDSON and Ellen Harvey
Looks like they moved about a bit.
Ian C