Copy letter from an unknown correspondent, to Professor John Milne, Fellow of the Royal Society 'Dear Sir, [blank space] the 26th inst. [instant] addressed to the Secretaries, which shall be laid before them at the first opportunity. Your letter arrived during the Christmas vacation, hence the delay in acknowledging it. Since writing the above Prof. Rucker has been in & his letters sent[?] to you by this post'. 5 January 1897