Thanks for his generous letter and enclosures.
Thanks for his generous letter and enclosures.
Conveys the best thanks from the directors of the Encyclopaedia Metropolitana for the liberal settlement over his article 'Light.' He will receive a fine paper copy of the encyclopaedia in due course.
Recently received telescope from the optician. Some adjustments are necessary. [Robert] Blair has a similar idea regarding telescopes. Asks JH to mention his idea to the Astronomical Society.
Invites JH to London to meet a friend of JG.
Gives views of her son (Charles Babbage) on hearing of his election to the Lucasian professorship at Cambridge.
Regarding letters from J. L. Tiarks concerning Saturn, and Dr. K. L. C. Rümker concerning J. C. Borda's pendulum at Parramatta.
JH's mother has been ill. Is JH coming into town?
Attended meeting of the Astronomical Society and made observations of Saturn. Invites JH to dinner party. Activities at the Board of Longitude. Contacts with French scientists.
Gives permission to release his telescope proposal to others. Discusses the progress of the telescope. Considers modifying the arrangement of lenses.
Regrets the error over the double stars. Is grateful to the Astronomical Society for the honor conferred on him. Regarding the observations of stars that he would like to deposit in a library.
Is grateful for the gift of his essay on Light, though she cannot comprehend all of it. Regarding her brother Francis and his work at Cambridge. Would be pleased to see JH at Edgeworthstown.
Is about to leave for England with Alphonse de Candolle. Gives news of his latest astronomical observations. Lists people he has met or hopes to meet.
Board of Longitude would approve providing Lieutenant Forbes with apparatus JH suggested. Inappropriate for any member to address Admiralty separately. Payment of expenses to committee members.
Is sending copies of a memoir on the triangulation of Savoy, prepared by GP and [Mr. ?] Carlini. Is including copies for other scientists and organizations.
Has not heard from [University of Virginia]. Position of lecturer in mathematics and natural philosophy has opened at Dollar Institution in Edinburgh. WR asks for recommendation for the position from JH.
Abandons TY's argument on Mr. Roberts's object glass. Asks JH's help in understanding A. J. Fresnel's calculations of diffraction and Josef Fraunhofer's discontinuous functions.
Accepts JH's extension of Class I double stars. Comments on comparison of these and suggests comparison of respective scales might be mutually useful. Includes continuation of work on micrometer measurements of Saturn. Notices strange eccentricity of Saturn's rings. Is considering comparing his degree-measurements with Finland and Lapland.
Regarding Joseph Clement and the work on his machine. Account of his recent excursions.
Believes it was not our Captain Foster to whom the advertisement alluded. Singular way in which Mr. Barrowcliff discharges his trust.
Regarding the meeting, and the papers read last Friday. Invitation to dine with him and Sir Thomas Brisbane. Regarding Brisbane's observations. Various Astronomical Society affairs.