PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS. REF NO DC1428.
PHOTO DMU UNIT B575 AT THATCAHM SMOKE NOT FROM DMU
PHOTO DMU UNIT L410 AT MIDGHAM JULY 1977
PHOTO DMU UNIT NO 51818 AT SCARBOROUGH 1984
PHOTO DMU UNIT NO L131 BICESTER GW
PHOTO DMU UNIT NO 51832 AT LEEDS 1985
PHOTO DMU UNIT P470 HEADON VIEW
