Note 9 — Chapter II · THE MODERN TELESCOPE
Reading edition
An F/3 mirror of 1m aperture by Zeiss was installed in the observatory at Bergedorf in 1911, and a similar one by Schaer is mounted at Carre, near Geneva.
Reading edition
An F/3 mirror of 1m aperture by Zeiss was installed in the observatory at Bergedorf in 1911, and a similar one by Schaer is mounted at Carre, near Geneva.