‘how to use this guide’ and full exhibition key see page 4 corby & oundle B7 C3 C5 C6 X10 X7 X8 C1 B3 X3 B5 X4 B4 E2 X11 E3 E5 E6 X6 B6 X5 B1 C7 B2 C4 X9 Thorpe Malsor D3 E4 X12 B 2 6