Carte astronomique de l'Univers. Dressee par Etienne Laporte, Paris. Bruxelles,AD. Mertens, Rue du Escallier, 22. Th. Gheldolf, Graveur; Bruxs. Lith. L. Mertens.(text) Principes elementaires d'astronomie.

Astronomical map of the Universe prepared by Etienne Laporte,134x96, backed with linen, dissected into 16, sections, folded to 33.5x24. Map surrounded with 25 black and white astronomical vignettes, with explanatory text below the map, entitled "Basic Principles of Astronomy". The author's name appears in a globe under the map. Date estimated. Table "Noms des constellations" on lower right, includes 76 names, 73-76 added to the table later.