Bruxelles [Brussels], Kiessling et Compagnie, 1862. Folio (29.5 x 24.2 cm). 24 pp. (including title); 12 mostly hand-coloured lithographed plates, of which nine with transparent coloured paper pasted over cut outs. Original green blind-stamped cloth portfolio with gilt title on the front board.

Königsberg in Preussen, Gebrüder Bornträger, 1841-1842. Two volumes in one (26.5 x 21.9 cm). 4to. viii, 314; iv, 308 pp. Contemporary style marbled boards. Red morocco label with gilt title on the spine.

Paris, Academie des Sciences, 1827. 4to (25.5 x 20.0 cm). In a fine contemporary full calf binding. Spine with five raised bands, red and black morocco title vignettes and gilt floral patterns; boards with dentelles; lightly red-speckled edges.

Berolini, Johann Andreas Rüdiger, 1734. Small 4to (20.5 x 16.0 cm). vi, 405 pp.; 11 mostly folded engraved plates. Contemporary full mottled calf. Spine with five raised, gilt-ornamented bands; compartments rich gilt, red morocco label with gilt title. Edges speckled red.

London, The Royal Society, 1772. 4to [22.3 (title page 21.5) x 16.9 cm)]. Title page, four pp. Disbound.

Paris, Firmin Didot Frères, Fils et Cie., 1874. Large 4to (28.5 x 22.5 cm). Title page, 460 pp., three large, multi-folded maps of the earth, relating to areas where useful observations could be made, and two (one large, folded) plates with observation instruments. Contemporary mottled boards. Printed label on the spine.

London, The Royal Society, 1683. 4to (21.5 x 16.4 cm). pp. 404-415, including a three-page catalogue of the visible eclipses. Loose pages, unbound.

London, His Majesty's Stationery Office, 1913. Folio (36.5 x 27.5 cm). cxc, 136 pp. Frontispiece with two photos, 58 [11, 16, 23, 5, 3] plates (line drawings and photos; sometimes several "plates" on one sheet), 19 text figures. Folded two-colour sheet of the plan of the observatory, and large folded diagram (i.e. map) of the geodetic triangulation of South Africa and adjacent countries. Original blue embossed cloth. Spine with gilt title.

La Flèche, George Griveau, 1645. Small 4to (20.0 x 15.3 cm). Engraved title page, [vi], 162 pp. [1-24; 33-170]; six engraved plates (of which three larger, folded), 23 (groups of) large, engraved text illustrations (some occupying a whole page), one table in the text. Early to mid-19th century polished quarter calf over marbled boards. Spine with gilt lines and ornaments, and two red morocco labels with gilt title and date. Red edges.

London, The Royal Society, 1783. 4to (26.0 x 20.4 cm). 14 pp. Later, period style, marbled wrappers.

London, The Royal Society, 1785. Large 4to (25.5 x 19.0 cm). Engraved title page, vii, 212 pp. Original grey front wrapper.

London, The Royal Society, 1785. 4to (27.4 x 21.1 cm). Engraved title page; 54 pp., and one very large, double folded plate. Later quarter calf over marbled boards in a beautiful, contemporary style. Spine with five raised, gilt-ornamented bands; compartments rich gilt with floral vignettes, and two red morocco labels with gilt title. All edges red.