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2020-11-15 08:36:08
DIGGES, Leonard & Thomas Digges.
A geometrical practical treatize named Pantometria, divided into three bookes, longimetra, planimetra, and stereometria. Containing rules manifolde for mensuration of all lines, superficies and solides: with sundrie strange conclusions both by instrument and without, and also by glasses to set forth the true description or exact platte of an whole region.
London: Abell Jeffes, 1591. First edition. "the first serious ballistic studies in England" (DSB). Second and best edition of this important Elizabethan work on practical geometry, in which "for the first time, we have indications of an instrument which we may call a reflecting telescope" (King, The History of the Telescope, p. 29). This second edition contains several appendices by Thomas Digges, not present in the first edition, which constitute "the first serious ballistic studies in England" (DSB). The book also contains the first description and illustration of the theodolite. The first edition is an extremely rare book - no copy has sold at auction since the Kenney copy in 1966 (and that copy was defective). "This edition is essentially identical to the first with two significant additions by Thomas Digges: the 'Mathematicall discourse of the five Platonicall solid' and the first treatment of the science of ballistics in English. Also added to Book I is a short chapter (three leaves) on surveying in mines ... The early material is essentially that to be found in the works of such authors as Gemma Frisius and Peter Apian (quadrants, astrolabes with shadow scales, etc.). However, this book, and his earlier work Tectonicon, are the first descriptions of the application of these instruments written in English. All of the early instruments rely on the use of right-angle triangles in establishing a survey. Digges deals with a different type of survey instrument in a later part of this volume. This is the first description and illustration of the theodolite - the name being … [Click Below for Full Description]
Bookseller: SOPHIA RARE BOOKS [Denmark]

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