[1] Circa 1775, he introduced a solution of tin as a new mordant for the dyeing of wool fabrics in Louviers, France, using the last name Giros de Gentilly.
[6] In 1781 J. H Voigt of Gotha, Germany, editor of Magazin fuer das Neueste aus der Physik und Naturgeschichte, a scientific review journal, describes meeting with Giros von Gentilly and the latter's conjectures about colour blindness.
[7] In 1785 Palmer, living in Paris, had Lettre sur les moyens de produire, la nuit, une lumiere pareille a celle du jour published.
[11] Toward the end of that decade Palmer became a mercenary soldier in the Corps of Engineers, at different times for Sweden, Austria, and Russia, reaching the rank of Major, as described in his obituary.
[15] Voigt, in his report on Giros von Gentilly, describes him as having stated that colour blindness arises if one or two of the three kinds of "particles" (light sensors) in the retina are inactive, a statement found to be accurate.