No missable achievements (plus 12 unknown)
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Swapped the fuse in Restoration Chamber 3.
Collected all the Memory Fragments.
Rang the bell in the Institute upon your return.
Fill the shelves in The Case.
Restored 5 Projectors.
Heard the complete tale of The Knocker.
Listened to all the Voicemail Messages.
Restored 10 Projectors.
Taken every Core Memory Photograph.
Restored 20 Projectors.
Restored 15 Projectors.
Restored all of the plaques.