A scan of page 239 of the Townsend Telescope Visitors' Book.
A scan of page 160 of the Townsend Telescope Visitors' Book.
A scan of page 260 of the Townsend Telescope Visitors' Book.
A scan of page 159 of the Townsend Telescope Visitors' Book.
A scan of page 62 of the Townsend Telescope Visitors' Book.
A scan of page 108 of the Townsend Telescope Visitors' Book.
A scan of page 262 of the Townsend Telescope Visitors' Book.
A scan of page 139 of the Townsend Telescope Visitors' Book.
A scan of page 104 of the Townsend Telescope Visitors' Book.
A scan of page 256 of the Townsend Telescope Visitors' Book.
A scan of page 140 of the Townsend Telescope Visitors' Book.
A scan of page 152 of the Townsend Telescope Visitors' Book.
A scan of page 203 of the Townsend Telescope Visitors' Book.
A scan of page 56 of the Townsend Telescope Visitors' Book.
A scan of page 7 of the Townsend Telescope Visitors' Book.
A scan of page 188 of the Townsend Telescope Visitors' Book.
A scan of page 55 of the Townsend Telescope Visitors' Book.
A scan of page 126 of the Townsend Telescope Visitors' Book.
A scan of page 137 of the Townsend Telescope Visitors' Book.
A scan of page 207 of the Townsend Telescope Visitors' Book.
A scan of page 237 of the Townsend Telescope Visitors' Book.
A close-up photograph of the hour angle setting circle from the Townsend Telescope.
A scan of page 173 of the Townsend Telescope Visitors' Book.
A scan of page 87 of the Townsend Telescope Visitors' Book.
A scan of page 253 of the Townsend Telescope Visitors' Book.
A scan of page 251 of the Townsend Telescope Visitors' Book.
A scan of page 58 of the Townsend Telescope Visitors' Book.
A scan of page 172 of the Townsend Telescope Visitors' Book.
A scan of page 106 of the Townsend Telescope Visitors' Book.
A scan of page 209 of the Townsend Telescope Visitors' Book.