BOLUS, H. The Orchids of the Cape Peninsula. 2nd ed. Ed. by H.M.L. Bolus & A.M. Greene. Cape Town, 1918. xxxiii, 141 pp. W. 119 chromolithogr. plates. Lge-8°. Or. green cl. (Spine ends a bit worn, but a good copy of the best edition). -- Added: 2 o. works on African orchids by Schelpe and Williamson. -- (3).

CAMPHOR -- DONKIN, R.A. Dragon's Brain Perfume. An Historical Geography of Camphor. Leiden, (etc.), 1999. xx, 307 pp. Ocl. w. dust-j.

DARWIN, Ch. Biologische meesterwerken. Bew. d. H. Hartogh Heys v. Zouteveen & T.C. Winkler. (1e-)4e dr. Arnh./Nijm., Gebr. E. & M. Cohen, n.d. (c. 1890). 7 vols. W. portr. of the author & num. ill. in text. Or. gilt h. mor. binds. (Vols. 1 and 7 in need of repair, the others w. some light wear to spines, but in all a fairly good set). -- And 2 o. (9).

DARWIN, Ch., ed. The Zoology of the Voyage of H.M.S. Beagle, under the Command of Captain Fitzroy, (…), during the years 1832 to 1836. (Photomechan. reprint of the ed. Lond., 1839-42). (Lond., Royal Geographical Society, 1994). 4 vols. W. num. full-p. plates, partly in col. 4°. Or. gilt lettered and dec. brown hcf. In or. wooden case whose lid can be opened to serve as a lectern.

DAWKINS, R. The ancestor's tale. A pilgrimage to the dawn of life. (2004). Sm-4°. Obrds. w. dust-j. First edition. Signed by the author. -- R.P. FEYNMAN. The Feynman lectures on physics. Commemorative issue. (1989). 3 vols. 4°. Ocl. w. dust-j. -- R. KAUTZ. Chaos. The science of predictable random motion. (2011). W. CD. Sm-4°. Owrps. -- And 2 o. (7).

EINSTEIN, A. Physik und Realität I & II. In: Zeitschrift für freie Deutsche Forschung. Jhg. 1 nr. 1-2. Par., Verlag Science et Litterature, 1938. Owrps. (Wrps. somewhat chafed, nr. 2 w. sm. loss to top spine). -- Added: Id. Jhg. 2 nr. 1. -- (3).

HEBERT, L. The engineer's and mechanic's encyclopaedia, comprehending practical illustrations of the machinery and processes employed in every description of manufacture of the British Empire. Lond., 1836. 2 vols. W. 2 fronts. & num. text-ills. Cont. cf. (Binds. a bit dam., slightly browned/foxed). -- W.A. FROGER. Handboek bij het bepalen der afmetingen, der voornaamste deelen van bouwkunstige zamenstellingen (…). Amst., 1845-50. 2 in 1 vol. W. 2 fold. plates & fold. tables. Cont. hcf. (Spine dam./loosening, w. stamp, slightly browned/foxed). -- R. de CHARLEVILLE. Traité sur l'art de faire de bons mortiers et d'en bien diriger l'emploi, ou méthode générale pratique pour fabriquer en tous pays la chaux, les cimens et le mortiers les meilleurs et les plus économiques. 2e éd. Par., 1828. W. 2 fold. plates & sev. tables. Cont. red h. mor. (Some foxing). -- (4).

HOROLOGY -- TURNER, A., (a.o.), ed. A general history of horology. Oxf., (2022). (16), 756 pp. Prof. ill. Fol. Ocl. w. dust-j. In or. slipcase.

HORSES -- FITZ-JAMES, M.A.M. Duchesse de. Principes élémentaires d'équitation. Par., (1893). (vi), 110, (2) pp. W. num. ill. Fol.-obl. Or. printed clothbacked brds. (Bind. a bit stained/soiled & extremities sl. worn). -- Inserted: 1 lithograph of a horse by J. Laurens after I. Bonheur.

HUGUENIN, U. Verhandeling over het Nederlandsch-ijzer (…). Gevolgd over den toestand der ned. ijzer-fabrijken d. den Majoor der Artillerie W.A. Bake. The Hague, 1823. 116 pp. W. fold. tables. Old wrps., uncut. (Spine dam., w. libr. stamp on ti.). Rare. -- U.W.T. CAZIUS. Geschiedkundig verslag, daadzakelijke bevindingen en algemeene aanmerkingen, benevens eene verzameling van bewijsstukken betrekkelijk het Amsterdamsch geoctroieerd kunst-cement. Utr., 1824. Cont. marbled brds. (W. stamp). -- L.A. SANDERS. Het cement-ijzer in theorie en practijk. Amst., (1907). W. 415 ill. Cont. h. mor. extra. -- And 1 o. (6).

HUMBOLDT, A. v. Schetsen van vulkanen uit de Cordillera's van Quito en Mexiko. Leiden, 1855. W. ti.-p. & 12 lithogr. plates, of which 8 tinted lithographs of vulcanic mountains. Lge-8°-obl. Or. clothbacked brds. (Brds. rubbed, upper hinge weak, former owner's blindstamp, minor foxing throughout).

LONDON - THAMES TUNNEL -- ZEICHNUNGEN UND NOTIZEN v.d. Arbeiten an dem Gange unter der Themse v. Rotherhithe nach Wapping, London. Magdeburg, bei Robrahn u. Co., in Commission bei F. Rubach, 1827. 13 letter pressed lvs. W. lithogr. ti., fold. lithogr. panorama, 2 lithogr. maps (1 double-p. & 1 fold.), 1 fold. table w. cold. lithogr. strip of paper dep. geological cross-section, and 8 full-p. lithogr. illustr. (incl. 1 w. die-cut overlay). 16°-obl. Cont. limp wrps. (1 illustr. loose, some light foxing, but in v.g. condition).

ORNITHOLOGY -- AMIRSADEGHI, H. Sky Hunters. The Passion of Falconry. (2008). 4°. Obrds. w. dust-j. -- J.B. MAY. The Hawks of North America. 1935. Sm-4°. Ocl. -- I. NEWTON. Population Ecology of Raptors. (1979). Obrds. w. dust-j. -- K. HARRINGTON. The Gift of a Falcon. (1988). Obrds. w. dust-j. W. ms. dedication by the author. -- T.J. CADE. The Falcons of the World. (1982). 4°. Obrds. w. dust-j. -- And 13 o. (18).

ORNITHOLOGY -- GERSMANN, K.-H. & O. GRIMM. Raptor and human - falconry and bird symbolism throughout the millennia on a global scale. (Kiel/Hamburg, 2018). 4 vols. Prof. illustrated. 4°. Obrds. In or. slipcases. As new. -- Added: L. BROWN & D. AMADON. Eagles, Hawks and Falcons of the World. (Feltham, 1968). 2 vols. Ocl. In or. slipcase. -- (6).

ORNITHOLOGY -- JUKEMA, J., (a.o.). Goudplevieren en wilsterflappers. (2001). 4°. Obrds. -- W. RUITENBEEK, (e.a.), red. Broedvogels van Noord-Holland. 1990. 4°. Obrds. -- A.J. BERGER. Hawaiian Birdlife. 2nd ed. (1981). 4°. Ocl. w. dust-j. -- A SCOTTISH NATURALIST. The Sketches and Notes of Charles St John, 1809-1856. (1982). Obrds. w. dust-j. -- K.H. VOOUS. In de ban van vogels. Ornithologisch Biografisch Woordenboek van Nederland. (1995). Ocl. w. dust-j. -- And 18 o. in 19 vols. (24).

ORNITHOLOGY -- RIESENTHAL, O. v. Die Raubvögel Deutschlands und des angrenzenden Mitteleuropas. Cassel, 1876. 2 vols., incl. atlas-vol. xxi, (3), 522, (2); (4) pp. W. 5 small plain - in text-vol. - and 60 large cold. chromolithogr. plates. 8° and fol. Ocl. and ocl. clamshell portfol. (In fine condition, cold. plates mildly foxed).

OSTWALD, (W.). Klassiker der exakten Wissenschaften. Vols. 1-195. Lpz., W. Engelmann, 1889-1915. 195 vols. Sm-8°. Ocl. and obrds.