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2020-03-24 17:15:27
MASLOT, Jean.
LES LOIX UNIVERSELLES EN NOMBRES, POIDS ET MESURES. prouvez possibles & faciles, par rapport au passé, au present & au futur; par un Traité d'Arithmetique, composé de règles généralles, en nombres entiers, sans embarras de fractions. A Troyes, Chez la Veuve de Jacques Oudot, Imprimeur & Marchand Libraire, ruë du Temple. & se vend A Paris, Chez la Veuve de Nicolas Oudot, ruë vieille Bouclerie. Avec Privilege du Roi. [colophon: Achevé d'imprimer pour la premiere fois, le huit Août mil sept cent dix-huit.].
1718. 8vo, pp. [xii], 98, [2] index, [2] blank; with woodcut printer's device on title, and woodcut head-pieces and initials; some occasional light marginal dust-soiling and minor spotting, but otherwise clean and crisp, gutters and cords exposed in a couple of places, at p. 31 and p. 64; with contemporary inscription on the title-page 'Texier de (Fantau?)'; Rare first edition, and a fine copy bound in full red morocco, of this early and little known work proposing a new standardised system or 'universeral loix' based upon a decimal system, by Jean Maslot, 'Nottaire Royal & Receveur des Hôpitaux de Troyes'. Penned some eighty years before the first practical realisation of the metric system would come into force in 1799, as Maslot's work clearly demonstrates, the need for reform had long been recognised in a country where individual areas and regions used different and often conflicting systems and names for units, and where the length, weight, volume etc. of a unit could vary depending on the item being weighed or measured. As Maslot notes in his preface, his initial intention had been to concentrate purely and simply upon proposing a system for currencies, weights, and measures (both surface and volume), but he had come to realise that this would be imperfect and insufficient, and thus also includes chapters relating to time, as well as to astronomical and geometrical numbers. In each chapter he explains existing units of measurement, together with its parts or fractions, before presenting his 'simple' system by which the measurements are 'tous reduits sous une même dénom … [Click Below for Full Description]
Bookseller: Deborah Coltham Rare Books [United Kingdom]

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