JOBLOT, Louis (1645-1723) - Observations d'histoire naturelle faites avec le microscope. Paris: Briasson, 1754-1755. Second edition of a work first published in 1718 as Descriptions et Usages de Plusieurs Nouveaux Microscopes. The first volume is devoted to Joblot's microscopic observations, the second to microscopes and their construction. "The publication of Descriptions established Joblot as the first French microscopist. The first part of the book described several microscopes and their construction and introduced some improvements. Leeuwenhoek had observed the Protozoa previously but Joblot's is the earliest treatise on them". (DSB VII, 110). 2 parts in one volume, 4to (251 x 190mm). Half-titles, woodcut device on title and initials, 53 engraved folding plates (15, 14, 29). Contemporary marbled calf, gilt spine, red edges (lightly rubbed). The pagination corresponds to that in SBN but the collation of vol. I varies slightly.