Aritmetica mercantile … Nella quale si vede, come si hanno da fare li conti, per li cambi, che si fanno nelle Città Principali della Christianità. Il modo di raguagliare le piazze, di aggiustare ogni sorte di comissioni de cambi, & mercantie, & formare arbitrij …

Naples, [Alexander Gratianus for] Tarquinio Longo, 1604.

Small 4to, pp. [xii], 270, [2] blank; woodcut device on title, woodcut initials, head- and tail-pieces in the text; one or two spots only: internally a very clean, appealing copy in contemporary full vellum, recased, head of spine repaired, some light soiling, ink titling on spine faded; cancelled ink ownership inscription on front paste-down, dated Naples 1619.


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Very rare first edition of one of the most important and comprehensive seventeenth-century works on commercial arithmetic and exchange rates in Italy and Europe. Three further editions came out within forty years, all printed in Venice, and all now scarce.

Born out of the need to acknowledge and systematize the increasingly central role played by money and the relationship between currencies in the trade-led Italian economy of the early-modern period, Lando’s fundamental manual puts the complex art of exchange at the heart of mercantile accountancy. As straightforward money-lending, labelled usury throughout Christianity, lacked legitimacy and the status of acceptable transaction in early-modern business, currency exchange on the most prominent international piazzas took its place, its complications determined by time lapses and fluctuant relative value a useful platform to be profitably exploited by the skilled merchant. Lando offers a full handbook of arithmetic instructions and examples, and a wealth of information on the principal trading cities in Italy and the rest of Europe (Antwerp, Frankfurt, Lyons, London, Barcelona, Valencia and Zaragoza among others).

Herwood, Historical Accounting Literature, 224; Kress S.343; Riccardi II, 15.1 (‘raro’); this edition not in Goldsmiths’ or Einaudi.

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