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 ...) ?
With Google search, keywords = peaucelle2011collaborateurs.pdf cadastre locomat.loria.fr