Webster, Birch and Mather
Engineers, millwrights and machine makers, of Brown St, Salford
1833 Death of James Webster, of Webster Birch and Mather, age 38 years[1]
1833 Death of Mr Birch, of Webster, Birch and Mather, age 41 years[2]
1834 Mr Colin Mather continued the business of the late firm in the same manner as in the "lifetime of his lamented partners"
Later see W. and C. Mather