Asks for details of WL's system of speculum polishing and telescope construction as JH is preparing an article on telescopes for the Encyclopaedia Britannica.
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Asks for details of WL's system of speculum polishing and telescope construction as JH is preparing an article on telescopes for the Encyclopaedia Britannica.
Discusses installation of a 4-ft. aperture equatorial telescope. Describes plans for a glass polishing machine in great detail.
Comments on WL's information on telescope construction, and adds some of JH's own experience.
Sends a lithograph of the 4-ft. aperture equatorial. Has made no observations with it yet. Had difficulty with the surface of the speculum. Comments on the drawing and on the use of the instrument. Cannot recollect seeing any of the irregularities pointed out by JH in his letter.
Comments on WL's 4-foot equatorial telescope of which WL sent JH a lithograph [see WL's 1860-2-8].
Pointing out the reasons for some apparent discrepancies in the drawing of his telescope. The drawing was hurriedly done by his daughter.
Comments on WL's nebulae diagrams and asks for more.
Was grateful for the copy of JH's article on the telescope. Sends parcels containing two specimens of 4-ft. specula; comments on these. Weather has been unsuitable for observations.
Is on the point of departure for Malta and would welcome letters of introduction from JH.
Thanks JH for his efforts in having Sir Benjamin Brodie provide letters of introduction for WL's time in Malta.
Details about WL's preparation for departure for Malta.
About WL's activity in setting up his observatory.
As JH is preparing a catalogue of all known nebulae, would WL please provide a complete listing of all he has seen.
Recently observed nebulae. Changes in island climate reduce observation time. Happy that JH plans to publish all nebulae in one catalogue. Has no new ones to offer. Observations of Saturn's rings. WL's telescope.
Delighted with performance of WL's telescopes in Maltese climate. Invites JH to visit. Awaiting JH's catalogue of nebulae. Seeking assistant.
Describes galaxy-like gaseous nebula with interior elliptical ring.
Received JH's list of nebulae. Will observe and confirm as many as possible. Honored by Alexander Herschel's offer to be WL's assistant. Defines WL's expectations of assistant.
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.
Best candidate for WL's assistant seems to be [Albert] Marth of Durham. Describes new planetary nebula.
Suggests Albert Marth of Durham observatory as possible assistant to WL. JH's notes and diagram of nebular ring.