Louis Jules Duboscq

Paolo Brenni, "19-Century French Scientific Instrument Makers. XII: Soleil, Duboscq, and Their Successors," <i>Bulletin of the Scientific Instrument Society</i> 51 (1996): 7-16.

For biography see, Hannavy, John ed. "Encyclopedia of nineteenth-century photography: A-I, index, Volume 1, pg. 445" Google Books, http://books.google.com/books?id=PJ8DHBay4_EC&pg=PA445 (accessed 09/15/2014)