This cache is the bonus cache for a lab cache series which visits some of the Burnley heritage trail.
I have set the dificulty high because you need to be able to use the Adventure Lab app to find this cache and find five locations before you can find this cache.
In order to find the final location of this cache you will need to complete the cache https://adventurelab.page.link/Ziei
This gives you
N53 47.ABC
W 002 14 DEF
Hope that all makes sense
Good luck
treboR