|Alternative reference number
|Copy letter from Arthur William Rucker, to General-Major M Rykatcheff, Observatoire Physique Central, St Petersburg, Russia
|28 March 1899
|The Royal Society has just received the invitation to take part in the celebration of the fiftieth anniversary of the foundation of the Central Physical Observatory. However it is not possible to appoint delegates due to the Easter vacation.
Fellows associated with this archive
|Rucker; Sir; Arthur William (1848 - 1915)
|1848 - 1915