Steenstra Pybo (4 results)

; Samuel en Johannes Luchtmans. First edition. Contemporary halfleather with marbled boards. (16), 381 Pp. New endpapers; last 30 pp. waterstained. Otherwise nice copy of this rare first edition!

Second edition of a manual on spherical trigonometry by the Dutch mathematician Pybo Steenstra (d. 1788). It opens with a preface, followed by the main text, divided into five chapters. The first chapter is an introduction to the geometry of spheroids and spherical trigonometry in particular. The second deals with right-angled spherical triangles and the third with differently angled spherical triangles. The fourth and fifth chapter deals with the finding and composition of formulas. Each chapter contains many definitions, demonstrations and propositions for clarification.With some faint water stains in the gutter and in the upper margin near the end of the book. Paper wrapper frayed, damaged on the spine. Internally otherwise in good condition, wholly untrimmed and with a few of the bolts unopened.l Bierens de Haan 4529 note. Contemporary blue paper wrappers. With numerous woodcut geometrical illustrations in text. Pages: XVI, 207, [1 blank] pp.

LeatherBound. Condition: New. BOOKS ARE EXEMPT FROM IMPORT DUTIES AND TARIFFS; NO EXTRA CHARGES APPLY. LeatherBound edition. Condition: New. Reprinted from 1763 edition. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Pages: 53 NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 53.

Originele halfleren band, met ribben en vergulde rugtitel. XLVI, 441, (1) p. Vele meetkundige ills in de tekst. -(Wat schade aan de uiteinden van de rug, platten sleets, twee namen in inkt en een meetkundige tekening in potlood aan het schutblad, pagina's licht roestig.).