SOMETHING therefore was wanting as a _succedaneum_, especially in one or two of the more violent paroxysms of the siege, to keep up something like a continual firing in the imagination, ----and this _something_, the corporal, whose principal strength lay in invention, supplied by an entire new system of battering of his own, --without which, this had been objected to by military critics, to the end of the world, as one of the great _desiderata_ of my uncle _Toby's_ apparatus.

A substitute was therefore needed, to keep up something like a continual firing in the imagination. The corporal, whose strength lay in invention, supplied an entire new system of battering of his own, which was the finishing touch to the whole apparatus.
