Antoine-Laurent JUSSIEU (1748-1836), French botanist and director of the Natural History Museum. Autograph letter signed. Paris, 27 Messidor year 6 [15 July 1798]. 1 p. folio. Fine engraved letterhead of the Muséum d'Histoire naturelle with vignette "à la ruche". Long letter from Antoine-Laurent de Jussieu concerning the retention of an employee of the Museum of Natural History who was dear to him, Captain Piault, "he has shown great zeal for the Museum and has earned the esteem of the professors who are all sincerely attached to him and who hope, in the interests of the establishment, that he is retained in his post". He talks about the work and various courses at the institution, etc. A fine document.