русский
большие обсерватории португальский
grandes observatórios astronómicos испанский
grandes observatorios каталонский
programa dels grans observatoris 1
The wireless is also used to transmit the time from the great observatories.
2
With larger instruments, and in great observatories, this is not always the case.
3
The grand and scientifically perfected instruments of our great observatories show incalculable multitudes.
4
The illustrations are from photographs taken at the great observatories.
5
The great observatories, to which every intelligent eye is directed, are, in a measure, though innocently enough, responsible for this.