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AGNER, ERIC NILSSON: ARITHMETICA FRACTIONUM, THET ÄR: RÄKNE-KONST UTHI BRUTNE-TAHL, ... Stockholm, Tryckt af Olao Enæo, 1710. 4to. [8], 130 pp. + errata leaf. Title printed in red and black. ¶ First edition of an early Swedish textbook on mathematics and economics, by the land surveyor Eric N. Agner [1642-1727], with chapters on rule of three and proportion, exchange rates (cambio reale), interest rates, etc. Bound with. Rålamb, Åke. (1651 - 1718). ADELIG ÖFNINGS FÖRSTA TOM, MED TIJO DÄR TILL HÖRIGE KOPPARSTYCKEN. [drop title on p. 3:] EN KÅRT MATHEMATISK ÖFNING. Stockholm, tryckt hos Joh. Georg Eberdt, 1690. 4to. [4], 132 pp. + 10 folding engraved plates. First edition of the first volume of Rålamb's Adelig Öfning [a Swedish Descriptions des Arts et Métiers], being an early Swedish textbook on mathematics, with chapters on arithmetics, geometry, astrolabes, and surveying. Collijn, col. 809. Hesse 1503. Nordström, col. 177. Contemporary half calf. Lacks the errata-leaf. DKK~ 7.503 NOK~ 7.955 SEK 9 379 EUR~ 1.005 USD~ 1,560 GBP~ 665 JPY~ 163.063 · EDL43943 · Olof Edlund, Årsta (SE) ·

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