Natural Phenomena.- Sguario (Eusebio)

Dissertazione sopra le aurore boreali, woodcut device to title featuring scientific instruments, steel engraved folding plate, depicting the auroral event observed in Venice in 1737, 2 plates of diagrams and a table, arrata leaf on p. 119, title dusty, some spotting or foxing, contemporary vellum boards, stained, [Riccardi supp. VII, 91; Honeyman, 2511], 4to, Pietro Bassaglia, Venice, 1738.

*** Sguario researched various natural phenomena and is generally considered the first writer on electricity in Italy.