A lot of items have changed owner, or are lying around.

So, I'm wondering who can use what:
* Rifles, pistols - self-explaining, so perhaps everyone.
* Ammo - how much is left ?
* Tripods - there were hints that only special trained archons can use them
* Arkenplier - maybe Sizemore or Ace will attune ?
* Eyebooks - do they have passwords ?
* Parson's notebook - what does TV see in it ?
* Parson's calculator - usable / useful for whom ?
* Ivan Poe's wrench, helmet, googles - ...