Jonathan's Astro Pages

Scans

• Pictures of the Great Refractor
• Pictures from 1990 survey

Reproductions of older documents on Sears Tower etc

• Sears Tower, Great Refractor etc.

Other old refractors

• Dorpat refractor
• Pulkovo refractor

For the following additional internal documents, please contact Jonathan.

1969-1989 discussions

• Nathan Hazen's 1969 study
• 1975-1985 discussions
• 1980 renovation discussion

1990-1993 renovation

• Correspondence on 1990s renovation - part 1
• Correspondence on 1990s renovation - part 2
• Exhibit proposal 1989 draft
• Renovation proposal 1990 early draft
• Hazen summary May 1990
• STI report
• Briggs condition survey May 1990
• Boston Building Consultants report Sep 1991
• Elwell's Drive
• 1992 reno proposal: "Three Centuries of Astronomy: A Plan For Action"
• 1992 Reno proposal to SEF
• 1997 exhibit labels