Della formazione de' fulmini [...].

4to: [8]-189-[7] pp. (minor foxing, numerous on some pp.).

Cardboard, spine and joints reinforced with cloth.

Rare first edition of this work on lightning and thunder consisting of letters sent by the Italian from Verona Maffei (1675-1755) to contemporaries (Antonio Vallsinieri, Réaumur, La Condamine, R. Mead...). Including also a letter on fossil fishes and the two last dealing with eletricity and electrical phenomena. Copper-engr. ornamental headpiece and vignette on title fig. Minerva. Ref. Not in Horblit, Wheeler-Gift.