### Clue: Set up an unusual lab aboard vessel in Devonport, perhaps (5,4)
### Answer: NAVAL BASE 
 ### Explanation: Definition: Devonport, perhaps
 **Reversal of**(Set up, in a down clue) AN + [**anagram of**(unusual) LAB **contained in**(in) VASE(a vessel/container, for cut flowers, say)].
Defn: An example of which/perhaps is the one in Devonport, Devon, England.