The Invisible Hours
36 Achievements
Steam
The Scientist
Find the first Tesla Diary
45.1%
How to unlock the The Scientist achievement in The Invisible Hours - Definitive Guide
BiLLzuMaNaTi
TrueAchievements
TrueAchievements
Pick up any diary
1) Outside the house, behind the tower, on the back left of the generator
2) Library, on the table across from stairwell
3) Pantry, all the way back right on the barrel
4) Past the piano room to the bedroom with two beds, leaning up against a chest on the left side of the room
5) Sitting area next to Vandenberg's room, on a chair
6) Bedroom at the end of the hall above the library stairs, in the closet on the left, diary is on the dresser next to the white chest
7) Tesla's office, to the left of the door to the workshop, sitting on a canister
8) Workshop area next to Tesla's office, back of the room, on a desk to the left
9) In the telescope room, on the floor to the right of the telescope
10) In the attic, under the stairs to the roof, on a crate
11) Entering the secret workshop from the library, to the right of the Tesla coil, on a green crate next to the control panel
12) Before entering the time machine room, to the left of the entrance on a box
13) Enter the secret room near the boarded up door, on your left on a shelf
1) Outside the house, behind the tower, on the back left of the generator
2) Library, on the table across from stairwell
3) Pantry, all the way back right on the barrel
4) Past the piano room to the bedroom with two beds, leaning up against a chest on the left side of the room
5) Sitting area next to Vandenberg's room, on a chair
6) Bedroom at the end of the hall above the library stairs, in the closet on the left, diary is on the dresser next to the white chest
7) Tesla's office, to the left of the door to the workshop, sitting on a canister
8) Workshop area next to Tesla's office, back of the room, on a desk to the left
9) In the telescope room, on the floor to the right of the telescope
10) In the attic, under the stairs to the roof, on a crate
11) Entering the secret workshop from the library, to the right of the Tesla coil, on a green crate next to the control panel
12) Before entering the time machine room, to the left of the entrance on a box
13) Enter the secret room near the boarded up door, on your left on a shelf
KTKarona
TrueTrophies
TrueTrophies
A Tesla diary is a collectible journal entry into Tesla's events leading up to the night of his death. These can be found throughout the mansion, from even his workshop on the second floor down to the secret basement. There are thirteen in total, so finding even one of these is enough to satisfy the trophy. If I remember correctly, there is one in the library as well as one in the sitting area outside Vandenberg's room on the second floor, so if you need one quickly, check either of these places.
Easty
See The Altruist 
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