86 pages, 1 unnumbered bl. leaves, 1 unnumbered folded leaf of plates : illustrations ; (4to)

Danielis Melandri et Paulli Frisii alterius ad alterum de theoria lunae commentarii / [Daniel Melanderhjelm].

92 pages, 1 unnumbered leaf of plates : illustrations ; (4to)

Theorie de la lune deduite du seul principe de l'attraction reciproquement proportionelle aux quarrés des distances / par M. Clairaut.

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