With scientific party to Amiens to look at gravel-pits, the geology of which JDH describes at length.
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With scientific party to Amiens to look at gravel-pits, the geology of which JDH describes at length.
Returns Gray’s review [of paper on mimetic analogy, Am. J. Sci. 2d ser. 36 (1863): 285–90]
and expresses his sorrow over CD’s health.
Read of JH's intention to prepare general catalogue of nebulae. Encloses list of unpublished nebulae found at Harvard over past 15 years. Finds similarity in form but difference in theory between JH's equations for curve of object glasses ['On Aberrations of Compound Lenses and Object Glasses' (1821)] and those of K. A. Steinheil and C. F. Gauss. Asks about Josef Fraunhofer's theory.
Much obliged for his letters regarding the amalgam of iron. Cannot account for his ignorance of JH's Bakerian lecture.
Sorry to hear of CD’s poor health.
Regarding the 'willow leaves' seen by James Nasmyth on the surface of the sun.
Accepts invitation to dine with ES. Working on sixth edition of Outlines Astr. Has sent argument against converting to metric system to Leeds.
No summary available.
Regarding employment for GA's son in the Educational Departments in India.
Comments on Greek fire lead JH into a variety of recollections.
CD’s health.
Family and local news.
JH to read his paper on nebulae Thursday, 19 Nov. Dinner will be at St. James's Hotel.
Sending the revision of the first half sheet for the 1867 supplement containing the latest elements of the small planets.
Sends regrets to JH over the error in The Leeds Mercury claiming that the Leeds Astronomical Society had the copyright to 'The Yard, the Pendulum, and the Metre.'
Has a letter from Haast on the spreading of European plants.
No summary available.
Tells CD where to pick up the partridge’s foot with the ball of earth attached; sends a copy of his remarks on the same. [See Ann. & Mag. Nat. Hist. 3d ser. 13 (1864): 99–101.]