As JH is preparing a catalogue of all known nebulae, would WL please provide a complete listing of all he has seen.
As JH is preparing a catalogue of all known nebulae, would WL please provide a complete listing of all he has seen.
Comments on the several drawings of the same nebulae; thanks WL for the invitation to Malta but JH is too ill to accept.
Suggests Albert Marth of Durham observatory as possible assistant to WL. JH's notes and diagram of nebular ring.
Apologizes for returning WL's letter unopened. JH receives many letters with postage due from strangers and does not accept them. Did not recognize WL's address in Malta. Gives summary of JH's 3 Oct. 1862 letter to WL that seems to have been lost.
Encloses inventory of JH's unpublished manuscripts on General History of Double Stars, which AH forwarded to R.A.S. Estimates final total of JH's double star observations.