Got there - thank you. A huge amount of information but better than winding a handle on a noisy wonky machine in a cold office with time running out.
My immediate aims are:
(a) the parents of Lucy Harris who married G S Hill 1834
(b) Confirm the parents and speculative ancestry of Marabella Hemsworth who married John Hill 30-7-1797
(c) See if there is a will of Matilda Richardson who died 1880 looking for a clue to her birth name (especially if it was Sweeting!)