Fascinating work, structured alphabetically dealing primarily with Mathematics and Economics. The author, R. Menachem Tzion Port Cohen Rappa, (1600-1660) ancestor of the renowned Rappaport family, was an influential Rabbi in Padua. In addition, he was well versed in Astronomy, Mathematics and Economics and was highly regarded by the Italian intellectuals of his era. Vinograd Venice 1176. Bragadin press, 22 pages, 20 cm.
Fine leather binding. Some damage professionally restored with some loss of text.