This kind of thing went on till Mrs.
Ricketts despaired of any natural explanation.

After mid-summer, 1771, the trouble increased, in broad daylight, and a shrill female voice, answered by two male voices was added to the afflictions.
Captain Jervis came on a visit, but was told of nothing, and never heard anything.

After he went to Portsmouth, "the most deep, loud tremendous noise seemed to rush and fall with infinite velocity and force on the lobby floor adjoining my room," accompanied by a shrill and dreadful shriek, seeming to proceed from under the spot where the rushing noise fell, and repeated three or four times.
Mrs.Ricketts' "resolution remained firm," but her health was impaired; she tried changing her room, without results.

The disturbances pursued her.

Her brother now returned.