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