PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS.
Railway Photo - Class 20 20173 Thornaby TMD 06.88
PHOTO CLASS 20 LOCO NO 20119 - 08582 & 20173 20070 AT THORNABY DEPOT 1988
PHOTO CLASS 20 LOCO NO 20202
PHOTO CLASS 20 WARSHIP LOCO NO D601 ARK ROYAL
PHOTO CLASS 20 WARSHIP LOCO UNIDENTIFIED
PHOTO CLASS 20 LOCO NO 20022 LEADING AND 20035 AT DERBY 1988
