Would he like to come for a trip down the river to see W. E. Parry's Expedition ships? Query regarding quartz crystals. Date for Pearsonian dinner.
Would he like to come for a trip down the river to see W. E. Parry's Expedition ships? Query regarding quartz crystals. Date for Pearsonian dinner.
Will show JH largest specimen of apophyllite [Argentine spar] in kingdom.
Cannot accompany CB to Deptford because JH busy with James South. Mentions the 'Pearsonian dinner,' 'plagi[h]edral' crystals, and a letter by Wilhelm Olbers.
Acknowledges in JH's father's name FB's notice of the upcoming annular eclipse of 1820. Stresses the importance of observing it.
Asks JH to write a letter of recommendation for a mutual friend, and adds some Cambridge news.
Family news and other matters [letter completed 1819-2-23].
Gives equation. Is arranging the visit to Paris.
Mr. Murray will bring to DB two papers by JH, one on hyposulfurous acid and one on mathematical analysis, plus requested abstract of JH's and William Herschel's 'last papers' in R.S.P.T.
Note to accompany the sending of some papers; JH is off to Paris.
JH arrived safely yesterday and attended event at home of Sir Joseph Banks. Dr. [Matthew] Baillie asked about Lady Mary Herschel. JH and Charles Babbage, preparing to tour France, leave tomorrow for Dover. Wishes better health for MH and William Herschel.
Will sail tomorrow for Calais. Could not find Mr. Armstrong in Dover.
Arrival in France. Travel companions. JH and Charles Babbage will go to Institute tomorrow to visit J. B. Biot, S. D. Poisson, and other mathematicians.
Regarding his father's portrait. Would recommend waiting until the days become clearer and longer.