This is a bonus physical cache for the Adventure Lab entitled 'Historical Littleport'.
You must successfully complete the Adventure Lab in order to find this one. Each of the 5 stages contains a number you need. Make a note of the numbers as you go but don't worry if you forget to note them down, as your journal entries can be viewed at any time once after you have completed the stage.
Note for newbies: The Adventure Lab cache doesn’t show on the usual Geocaching map but you can download an app called ‘Adventure Lab’ and is suitable for both ios and android devices. Find and play the Adventure Lab here: https://labs.geocaching.com/goto/HistoricalLittleport
Enter your numbers below to get the final coordinates
N52 27.ABC E000 18.DEF
Please no spoilers for the answers to the lab caches in your logs, thank you.