John Ewbank (1948 - 2013), an Australian climber that invented the Ewbanks scale to grade climbs.
Ewbanks Scale: the grading scale invented by John Ewbanks.
John Ewbank (1948 - 2013), an Australian climber that invented the Ewbanks scale to grade climbs.
Ewbanks Scale: the grading scale invented by John Ewbanks.