Here is the full list of all 12 Ether One Redux achievements.
Taken every Core Memory Photograph.
Restored 20 Projectors.
Restored all of the plaques.
Listened to all the Voicemail Messages.
Collected all the Memory Fragments.
Heard the complete tale of The Knocker.
Fill the shelves in The Case.
Rang the bell in the Institute upon your return.
Restored 15 Projectors.
Restored 10 Projectors.
Restored 5 Projectors.
Swapped the fuse in Restoration Chamber 3.