PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS.
PHOTO UP THE GRADIENT NORFOLK HERO CLIMBS THE GRADIENT SOUTH TO WALSHINGHAM THI
PHOTO NORFOLK HERO STEAMS UP THE GRADIENT JUST ABOUT TO PASS OVER THE LEVEL CRO
PHOTO NORFOLK HERO TACKLES THE GRADIENT JUST ABOUT TO PASS OVER THE LEVEL CROSS
PHOTO NORFOLK HERO TACKLES THE GRADIENT THE LOCOMOTIVE WORKS HARD TO PULL THE T
PHOTO NO.8 WORKING HARD ON THE GRADIENT BETWEEN ABERFFRWD AND RHEIDOL FALLS. VI
PHOTO HOWDEN RAILWAY STATION GRADIENT POST. BEHIND SELBY PLATFORM. 30.9.95
