You find the dirty beaker inside the Steamworks Museum when you go all the way to the top right side.
There is a very old Dirty Beaker in the Steamworks Museum (far upper right). Use the machines and climb the vines to reach the beaker. You need this at the Greenhouse in the Laboratory (Production zone, right side of the island).
if you go to the right you will see a place to put the dirty beaker
you use the beaker a$$hole for 3 blue 2 green and 4 red dwickhead
What you use the beaker for is, when you get into the living quarters then you will need it for a Herbicide mixture that will kill the "monster"...the Herbicide mixture formula is ( 3 Blue 2 green 4 Red )
i dont know but ive got the steam battery multi tool and dirty beaker
its in the museum on mainstreet of steamworks island :)
It's Steamworks Island #14th Island
(The solution is at the related question "How do you beat Steamworks Island")
They are in the Production Zone to the far right of the island. You will have to collect the Dirty Beaker from the Museum and then use the Drawbridge key to cross into the production zone. (see related question)
the crab on steamworks island is next to the living quarters
You go to Steamworks and head to the museum and there is the Deogen
Its in the top right corner in the museum in the main street on steamworks