PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS. REF NO 160240.
PHOTO DARKROOM - LMS CLASS 2MT LOCO NO 41285 AT RUGBY 1958
PHOTO DARKROOM - LNWR COAL ENGINE NO 1347
PHOTO DARKROOM - LMS EX GSWR CLASS 143 LOCO NO 17825 GLASGOW AND SOUTH WESTERN
PHOTO DARKROOM - GSWR LOCO NO 334 AT NOTTINGHAM VICTORIA C1920S
PHOTO DARKROOM - UNIDENTIFIED LOCO SHED LOCOS 414 864 4078 AND OTHERS
PHOTO DARKROOM - LNER CLASS C1 LOCO NO 2850
