A plan of Centre Court at The All England Lawn Tennis Club Wimbledon by Knight Frank & Rutley dated January 1960, 73 by 84cm., 29 by 33in., folded, ha

A plan of Centre Court at The All England Lawn Tennis Club Wimbledon by Knight Frank & Rutley dated January 1960, 73 by 84cm., 29 by 33in., folded, handwritten upper-left ''box'' and ''1982'' in red ink and ''box'' and 1983 in black ink, some seats highlighted in red & black ink, the plan shows standing terraces as well as seating Installation of new seating on Centre Court commenced in 1982 and was completed in 1983. A public ballot for standing room spaces on Centre Court for the last four days was introduced in 1982. The tragedies at Bradford and then at Hillsborough football ground led to standing room spaces on Centre Court being replaced by seating in 1990.