Price: € 27,50

Subject: Plate CCLX: Subjects: 1. Tracheën-kogel (Bullet). 2. Tressure (Heraldry). 3. Trewia. 4. Regthoekige trigonometrie, rechthoekige trigonometrie (Trigonometry). Trigonometry is a branch of mathematics that studies triangles, particularly right triangles. Trigonometry deals with relationships between the sides and the angles of triangles and with the trigonometric functions, which describe those relationships, as well as describing angles in general and the motion of waves such as sound and light waves.
Condition: Fine. General age related toning. Irregular paper edges as bound. Small holes and irregularity from binding on left edge of paper.
Medium: Copperplate engraving and etching on a verge type paper (with chainlines). Watermark not visible on every sheet.
Size (in cm): The overall size is ca. 12.5 x 21.5 cm. The image size is ca. 10.5 x 17.5 cm.
Size (in inch): The overall size is ca. 4.9 x 8.5 inch. The image size is ca. 4.1 x 6.9 inch.
Part Number: 11007
Location: C278-26
Description: This rare engraving originates from 'Nieuw en Volkomen Woordenboek van Konsten en Weetenschappen ...', published by S.J. Baalde, Amsterdam, 1770. This is in fact an early Dutch encyclopaedia.

Artists and Engravers: The author of this work is Egbert Buys. Egbert Buys (ca. 1725 - 1769; but probably ca. 1775) started his career as the author of Den Algemeene spectator (Amsterdam, J, Haffmann,1749). After having been accused of maltreatment of his wife and having caused several scandals, he left for England where he stayed for more than five years. Returned in Amsterdam he published a much enlarged re-edition of the famous English-Dutch dictionary of Sewel in 1766. He continued his linguistic work with the publication of a New and complete dictionary of terms of art; Nieuw en volkomen konstwoordenboek in 2 vols. (Amsterdam, 1768), followed in the next year by the first volume of our encyclopedia, which was to be completed with the 10th vol. in 1778. Apart from its importance as a typical 18th-century encyclopedia in the spirit of Diderot's Encyclopedie , the work is still valued for its lexicographical and linguistic contents. In Japan the encyclopedia became also one of the most used Rangaku books. Engraver: C.J. de Huyser.