Søkte etter:

3 treff

A large southern telescope
Pickering, Edward C.
Bok Engelsk 1892
Discussion of observations made with the meridian photometer during the years 1882-88
Edward C. Pickering, Oliver C. Wendell
Bok Engelsk 1890
Statement of work done at the Harvard college observatory during the years 1877-1882
Pickering, Edward C.
Bok Engelsk 1882