Digges leonard digges thomas (2 Ergebnisse)
Weitere BilderVerlag: London, Abell Ieffes, 1591
- Hardcover
Anbieter: Sokol Books Ltd. ABA ILAB, London, Vereinigtes KönigreichSokol Books Ltd. ABA ILAB
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In den WarenkorbHardcover. Zustand: Fine. 2nd Edition. Folio. pp. [viii], 152, 151-195, [iii]. [A] B-2C . Roman, Italic and Black letter. Decorative woodcut initials and head- and tail-pieces throughout. Fine woodcut mathematical and topographical diagrams and illustrations, including to t-p, depicting the use of geometrical instruments and the… process of land-surveying. Large woodcut arms of Sir Nicholas Bacon (the dedicatee, father of Sir Francis Bacon) to verso of t-p, unidentified arms to verso of Cc3, book-labels of Erwin Tomash and Harrison D. Horblit on pastedown. A particularly fine copy, absolutely crisp and clean, with good margins (some deckle edges), in contemporary limp vellum, remains of ties. Second and best edition of Thomas Digges' fundamental mathematical work, revised and expanded from the edition of 1571, and the first description of many important theories and techniques in English. Digges (1546-1595) was the son of the mathematician and surveyor Leonard Digges (1520-1559), inventor of the theodolite and perhaps also of the telescope. Thomas produced revised or augmented editions of several of his father's works. "This edition is essentially identical to the first with two significant additions by Thomas Digges: the Mathematicall discourse of the five Platonicall solides 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. Leonard Digges published a small book on practical surveying in 1556, but this more ambitious work was still in manuscript when he died. Thomas, his son, further extended the work and had it published. 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 theodolitethe name being coined by Digges in this work. This device consisted of a table with an angle- sighting device mounted above it. . Another intriguing feature of this work is that Digges, in Chapter 21 of the first book, discusses the use of various optical devices and claims that: "ye may by applycation of glasses in due proportion cause any peculiare house, or roume thereof dilate and shew it selfe in as ample fourme as the whole towne firste appeared, so that ye shall descerne any trifle, or read any letter lying there open" Digges senior had obviously been experimenting with a magnifying lens, and it seems very likely that he invented the telescope about a half-century before it was unambiguously described in Holland in 1608. The first book, titled Longimetra, is a treatise on surveying using the quadrant, square and theodolite. The subsequent books, Planimetra and Stereometra, cover plane and solid geometry and their use in the calculation of area and volumeparticularly gauging." Tomash & Williams The Pantometria provides a complete course in practical geometry, from the fundamentals ("A Line is a length without breadth or thicknesse") to the most complex theorems. The work concludes with the first appearance of Digges' work on ballistics, a new addition to the present edition. "He was able, on the basis of his own and his father's experiments, to disprove many commonly held erroneous ideas in ballistics but was not able to develop a mathematical theory of his own. These appendixes constitute the first serious ballistics studies in England" (DSB). A very fine copy of this most important work. ESTC S107357. STC 6859; Cockle 16. Spaulding and Karpinski 49. DSB IV, 97 (attributing the Pantometria to Leonard Digges). Tomash & Williams D54 [This copy]. The Geometry of War 45.
Weitere BilderVerlag: Abell Jeffes, London, 1591
- Erstausgabe
Anbieter: SOPHIA RARE BOOKS, Koebenhavn V, DänemarkSOPHIA RARE BOOKS
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In den WarenkorbFirst 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 con…tains 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 coined by Digges in this work. This device consisted of a table with an angle-sighting device mounted above it . Another intriguing feature of this work is that Digges, in Chapter 21 of the first book, discusses the use of various optical devices and claims that: "ye may by applycation of glasses in due proportion cause any peculiare house, or roume thereof dilate and shew it selfe in as ample fourme as the whole towne firste appeared, so that ye shall descerne any trifle, or read any letter lying there open." Digges senior had obviously been experimenting with a magnifying lens, and it seems very likely that he invented the telescope about a half-century before it was unambiguously described in Holland in 1608. The first book, titled 'Longimetra,' is a treatise on surveying using the quadrant, square and theodolite. The subsequent books, 'Planimetra' and 'Stereometra', cover plane and solid geometry and their use in the calculation of area and volume-particularly gauging" (Tomash & Williams). Leonard Digges (ca. 1520-ca.1559) refers to a work on practical surveying in A Prognostication Everlasting (1556), but it remained unpublished at his death. His son Thomas (ca.1545-1595) edited the work and added substantial new material of his own (see below) and had it published in 1571. Pantometria deals with the reckoning of distances, areas and volumes, and with instrumental and computational techniques for surveying and mensuration, justified in terms of civic and military utility and of pleasure. His account of quadrants, astrolabes with shadow scales, etc, was influenced by Peter Apian and Gemma Frisius, but his are the first descriptions of the use of these instruments written in English. Digges also describes three new instruments that could be combined to form what he called a 'topographicall instrument'. These were a vertical quadrant with shadow square that was intended to measure heights; a square with inscribed quadrant and alidade, mounted on a staff; and a circular plate divided into degrees with a centrally mounted alidade, to which Digges gave the name 'theodelitus'. Leonard Digges was a close friend of John Dee, whose private library contained many texts by Roger Bacon. It was probably during visits to Dee's house that Leonard came across Bacon's references to lenses and the ability to use them to 'cause the sun, moon and stars in appearance to descend here below.' Stimulated by Bacon's work.
