TC1 @ 52.66523° -3.37249° WNW
TC2 @ SSE 52.65312° -3.34613°

CRO via the following :

66531/36099  67896/32662  67504/32055  67229/30902  66108/30680

67409/28693  66402/24653  64952/23020  64216/22187  63327/24779

61483/22788  60191/21249  61333/29997  63555/28568  63663/31232

62075/31622  60245/32808  61619/36695  63137/35472  64890/35959

The translation from Lat/Long to OS Grid was as follows
52.66523 -3.37249 307278 308384
52.66531 -3.36099 308056 308378
52.67896 -3.32662 310408 309853
52.67504 -3.32055 310811 309410
52.67229 -3.30902 311585 309090
52.66108 -3.30680 311712 307840
52.67409 -3.28693 313082 309263
52.66402 -3.24653 315794 308095
52.64952 -3.23020 316871 306463
52.64216 -3.22187 317420 305635
52.63327 -3.24779 315650 304676
52.61483 -3.22788 316962 302602
52.60191 -3.21249 317980 301147
52.61333 -3.29997 312078 302521
52.63555 -3.28568 313090 304975
52.63663 -3.31232 311289 305127
52.62075 -3.31622 310993 303366
52.60245 -3.32808 310153 301345
52.61619 -3.36695 307549 302923
52.63137 -3.35472 308409 304595
52.64890 -3.35959 308116 306551
52.65312 -3.34613 309036 307004