PHOTO PAPER THICKNESS NORMAL PHOTOGRAPH THICKNESS.
PHOTO UP THE GRADIENT NORFOLK HERO CLIMBS THE GRADIENT SOUTH TO WALSHINGHAM THI
PHOTO ABERYSTWYTH CLIFF RAILWAY THE FLATTENING OF THE GRADIENT OVER THE MIDDLE
PHOTO LOCO NO.1213 BLASTS UP THE GRADIENT TOWARDS DEVIL'S BRIDGE ON THE VALE OF
PHOTO INDICATOR AT MIDDLETON TOP AT THE TOP OF THE INCLINE NEAR THE ENGINE HOUS
PHOTO FESTINIOG RAILWAY NEW THREE WAY POINT INDICATOR AT THE END OF PORTMADOC H
LMS Gradient Diagram Gretna Junction and Glasgow St. Enoch (G&SW Section) 1923
