Because this is a research tower we can take to say Albion or the Mountains of Morne or Lustria. Hell imagine how much better our studies of Dum would have been if we had a specialized laboratory to test stuff.
We're not going to Albion because everyone who tries to get there gets lost. We are probably not going to go to the Mountains of Mourn for no reason. And having a lab in Dum would really not have helped figure anything out.
Going to Lustria and Cathay
do remain possibilities, but I feel like I'd much rather enjoy going there in a ship than a tower.
A great many research-able things cannot be picked up and moved somewhere else. (For instance: nexuses)
Frankly my ideal result would be a research-capable SHIP rather than tower, but you're kinda asking two separate questions here so that's my answer to the other question.
I don't think a lab is going to be particularly helpful for investigating nexuses.
That said, just for you and others, I'll make a version of the ship capable of research.
[X] Plan: The Prismatic Wanderer (Researcher ver)
-[X] A flying warship, suited for exploration, warfare and research
-[X] Comfortable for small groups of people to live in for extended periods of time, and capable in an emergency of transporting a medium-sized groups of elite forces from one place to another (e.g. Empire Knights, Dwarf Ironbreakers, Eonir Ghost Striders, KAU scribes)
-[X] Wizardy aesthetic - dragon figurehead on the prow, living tree serving as central mast, bottom possibly wreathed in fog, etc.
-[X] Has magical weaponry and/or defenses (e.g. Dragon figurehead on the prow might fill enemy forces with the fear of death, ballistas on the sides might shoot out fireballs, a Flock of Doom might emerge from a literal crow's nest, etc)
-[X] Has a very decent research lab
-[X] Possibly needs to be crewed by Perpetuals
-[X] Possibly flat-bottomed to allow for landing on firm ground, if that makes sense vibes-wise
[X] Plan: The Prismatic Wanderer
[X] Plan Pickle Requests mk IV
[] Armor of von Tarnus