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