Immediately after the stealth takedown tutorial, there is a piece of technology.
OscorpArch Magazine 1
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The first big room you come to is Storage A. After taking care of the guards in this room, follow the yellow ceiling crane to the observation area over Storage B. Take out the lone guard here, then look to your right for a magazine.
OscorpArch Manual 1
Corner of the same room with the crate Spidey needs to web-sling to smash another box blocking the exit vent.
OscorpArch Manual 2
After the elevator ride cut-scene, Spidey goes through a vent that will dump him into a room with two guards; the manual is to the right of one of the doors in the room.
OscorpArch Audio 1
After taking care of the guards mentioned in OscorpArch Manual 2 above, go through the vent hole above the door to enter a room with a half-dozen guards. Instead of dropping into the room, Web Rush to the vent immediately ahead of you. Follow this vent around to the other side of the room, picking up the Audio Evidence along the way.
OscorpArch Tech 2 and 3
In the second container room after the elevator ride, marked with "A-02" on the floor, there is a tech piece on the balcony near the door.
To the right of Tech 2 between a wall and the crates, as seen in the picture. (Tip provided by Nitro900)
OscorpArch Magazine 2
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In the third container room, marked with "A-03" on the floor and has the second crate Spide web-slings to move on; it is on the ground between two sets of crates.
OscorpArch Magazine 3
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In the conveyor control room where you first meet Whitney Chang and fight your first shielded guard.
OscorpArch Photo 1
After taking out the gun turret, Chang realizes you still have her camera and has you take a picture for her. Play with the zoom and direction functions until the bracket is green. Then save the photo.
OscorpArch Manual 3
In the large room with the electrified conveyor track (Chang has to open the door after you defeat all the guards within). It is behind a gray container on the opposite side of the room than the door Change opens for you.
OscorpArch Audio 2
In the large room with the electrified conveyor track (Chang has to open the door after you defeat all the guards within). It is next to the service elavator on the opposite side of the room than the door Chang opens for you.
OscorpArch Tech 4
In the large room with the electrified conveyor track (Chang has to open the door after you defeat all the guards within). It is atop one of the containers hugging the wall near the door Chang opens for you.
OscorpArch Tech 5
In the hallway between the room with the electrified track and a room with a laser-grid floor, there is a vent right before the entrance into the new room. Enter the vent and retrieve the Tech. Avoid the steam.
OscorpArch Tech 6
In the large room with the laser-grid floor, next to one of the control consoles (on the same platform as the security console you used to deactivate the laser-grid).
OscorpArch Magazine 4
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In the large room with the laser-grid floor, on the platform on your left when the security console on the ground floor is behind you.
OscorpArch Manual 4
In the airlock room where you see Chang taken prisoner by a guard.
OscorpArch Tech 7
After the cut-scene where you see Change questioned, and slapped, by the guards, look to your left on the bottom floor. You will see the Tech item glowing. (You can collect this item after you have recovered Connors' tablet, if you prefer.)
OscorpArch Magazine 5
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In the large room right outside where Chang is being held.
OscorpArch Tech 8
One of the enemy spawn rooms has this item; you can get it after protecting Chang from the corporation soldiers.
OscorpArch Magazine 6
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The large container collection room, when you acquire the swing-ascend move (both triggers). Check the sides, along the ground level.
OscorpArch Magazine 7
Oscorparch magazine 7.jpg
The large container collection room, when you acquire the swing-ascend move (both triggers). Atop one of the containers near the exit.
OscorpArch Manual 5
The large container collection room, when you acquire the swing-ascend move (both triggers). Check the ground level near the low-lying walkway.
OscorpArch Magazine 8
After leaving the large container collection room, you are back in the room with the (now turned off) electrified floor. Turn to your right and make your way down to the bottom floor. Along one of the walls is the final Magazine. (Tip provided by Kitelse.)