Set for the 2180 Winter Geolympix-a-Tron with the kind permission of The National Trust. It'll be 'fancy' on the day of the Mega so if you'd like to see it at its best - or if you intend to attempt The Letter/Box Challenge - you may wish to leave it until then.
A Puzzle-type Letterbox/Hybrid cache (please don't remove the ink pad or stamp; they're not swaps) - The cache is NOT at the given co-ords. You have to crack a puzzle or code first.
Method 1: Use some AANDs (Aluminium Alpha-Numeric Discs. There are around 4,000 in circulation) and go to:
N51° 4 [Aqua's C] . [Red's B] [Black's D] [Pink's G] '
W000° 3 [Forest's C] . [Blue's B] [Purple's F] [Bronze's A] '
Method 2: Solve this cache's twin (GC7R49R), and deduct 0.349 from the Northings and deduct 0.751 from the Westings to get the co-ords for this cache. Easy! This also works vice-versa, of course...
Method 3: Take the final digit of the year these mechanical creations made their public debut to calculate the final co-ords of this cache, using the following formula. There are larger versions in this cache's Gallery if you need a better look. Good luck!
The final is hidden at N51 4A.B W000 3C.DE where:
(Film serial, not later films)
(Film version. I don't think it appears in the original 1967 novel)
(In print, not the 1995 film)
(You'd be bananas to get this wrong)
(Careful! BFI public showings count)
(Film portrayal, not the 1968 source novel)
Please join us on Sun Aug 30th 2020 at
GC8C8C9 - GEOLYMPIX IV: STOWE 2020
"The Perfect Vision!"