On 08/04/2013 02:29 AM, David Bernier wrote: > On 08/04/2013 01:04 AM, David Bernier wrote: >> In a periodical that listed French authors by name, with a list >> of their works, I found an entry for: >> Haros (Charles) employé au Cadastre de Paris. >> >> This is around 1802, after Haros wrote the general >> public book or booklet: >> "Instructions abregees aux nouvelles mesures" (metric system). >> >> The periodical listing French authors was updated >> from time to time to show new books, new editions, >> change of job, or date of decease. >> >> "La France littéraire contenant les auteurs français de >> 1771 à 1796, Volume 5", 1806 by Johann Samuel Ersch. [ with additions] >> >> At Google Books: >> < http://books.google.ca/books?id=BuwOAAAAQAAJ > . >> >> dave >> >> > > I think this below seems very good as a reference on the employees at > the Bureau du Cadastre, where Prony's project of a "great table" > of logarithms was housed around 1791-1802. In the end, the > "great tables" were only in manuscript. Also, the Bureau du Cadastre > was dissolved in 1802 (under Napoleon). It seems the "great tables" > were something of a white elephant, just too big ... > > by Jean Louis Peaucelle: > "Personnes ayant participé aux travaux > du bureau du Cadastre de octobre 1791 à mars 1802", > April 2011. > Peaucelle: > > Charles H. Haros, mathématicien au bureau du > Cadastre de octobre 1794 à mars 1802. > > -- > > I learnt that Haros is listed as a calculator in Connaissance des Tems > (Nautical Almanac of France) for the calendar year 1805 (planetary > positions, moon alamnac, eclipses, etc. for A.D. 1805). In fact, > I downloaded Connaissance des Tems for 1805. Lalande Sr. was the head, > with Lalande (nephew) on the team. > > Connaissance des Tems was published by Bureau des Longitudes. > > Jean-Louis Peaucelle, who wrote the April 2011 list referred to > above, says that Haros moved from the Cadastre to the > Bureau des Longitudes starting sometime in/after 1802. > > Peaucelle mentions sources like this: > Sources : AN F/1bI/44, ENPC Ms 2213 (1) et (2) > > AN : archives? > Ms : manuscript (or non-published document ...) ? > > Cf.: > peaucelle2011collaborateurs.pdf > > With Google search, keywords = > peaucelle2011collaborateurs.pdf cadastre locomat.loria.fr
Scott B. Guthery, wrote a book, "A Motif of Mathematics: History and Application of the Mediant and the Farey Sequence" on Haros, Farey series, computations of tables around 1800 and after in France, Britain, etc..
I didn't find any typos in French names. [ I inadvertently found en electronic version somewhere ].