We don’t know which ground Charles Eady scored 566 over four afternoons in March and April of 1902, but he was playing for Break-O’-Day against Wellington, so there’s some clues. The descendants of the scoreboard attendants might be able to tell us.
Photo and info sourced from The Turbulent Years of Australian Cricket, 1893 – 1917 by Jack Pollard. (Angus & Robertson, 1987.) Pollard credited the source of the photo to Ric Smith.