All Disc should be printed 1 9/16 Inches (40 millimetres)
in diameter
'Tribune' should be printed 1 9/16 by 1 3/16 Inches (40 by 30
millimetres)
Disclaimer The GPO Dial Labels on these pages are only facsimiles
and are for academic use only, and are given here as is, The data on these
pages may contain errors and should act as a guide only.