So far I know the following contents (from two separate references to this MS.):
Oxford, Bodleian: MS. Ashmole 1790
* fols. 1-19v. Dee's Latin copy of additional Spirit Actions.
* fols. 60-61 Father Backhouse's tale (account of Edward Kelley's transmutations)
Edited By John J. Coughlin on 1084651151