Science & Technology

[GROOT, Cornelis de]. Rede betreffende de ramp, veroorzaakt door de werking van den vulkaan Rakata (Krakataoe) in 1883.
[The Hague, the author], 1884. 8vo (22.5 x 14.5 cm). Original publisher's gold- and blind-stamped bright blue cloth. 39, [1 blank] pp. Full description

GUYOT, Edme Gilles. Nieuwe natuur- en wiskonstige vermaaklykheden ...
Rotterdam, Reinier Arrenberg, 1771-1775. 4 volumes. 8vo. With 24, 16, 23, and 10 numbered engraved folding plates with illustrations of scientific instruments, experiments, games, perspective and optical compositions, code languages, fireworks, and more. Contemporary half calf, gold-tooled spines with title labels, red sprinkled edges. XXVIII, 29-414, [4], [2 blank]; VIII, 9-622, [2]; VI, 7-396, [4]; XII, 13-338, [2] pp. Full description

GWILT, Joseph. Sciography; or, examples of shadows; and rules for their projection: intended for the use of architectural draughtsmen.
London, J. Taylor (back of title-page: printed by J. Moyes, London), 1822. Large 8vo. With 18 folding lithographed plates. Contemporary half calf. 43, [5], 20 pp. Full description

HAAN, Andreas Leopold. Proeven met de Papiniaansche pot. Waardoor aangetoond wordt dat, door dezelve, de plantgewassen, dieren en mineralen niet alleen, binnen weinig uuren , door een eenvoudig scheivogt ontbonden, maar ook de zuiverste extracten en wezenlyke zoutten bereidt konnen worden. Uit het Latyn vertaald door een liefhebber der scheikunde. En met een aanpryzend bericht voorzien door Boudewyn Tieboel.
Amsterdam, M. Schalekamp, 1775. 8vo. With a full-page engraving of the "papiaanse pot". Original grey wrappers. XVIII, 60 pp. Full description

HAMILTON, Hugh. De sectionibus conicis. Tractatus geometricus. In quo, ex natura ipsius coni, sectionum affectioens [!] facillime deducuntur. Methodo nova.
London, William Johnston, 1758. 4to. With numerous illustrations on 17 folding engraved plates. Contemporary French gold-tooled red goatskin morocco, with the arms of the French King Louis XV in the centre of each board and his crowned monogram in each compartment (except that with the title) of the spine. [4], VIII, 211, [1] pp. Full description

HAUG, Émile. Traité de géologie.
Paris, Armand Colin, 1908-1911. 2 parts in 3 volumes. Large 8vo. With 135 plates with half-tone reproductions of photographs (some with 2 photographs) and 485 illustration figures (some in the text, some full-page and including several folding maps). Contemporary half brown morocco, top edges gilt. [2], 538; [6], 539-1152; [4], 1153-2024 pp. Full description

HEEMSKERCK, Maarten van. [The seven planets].
[Antwerp], Hieronymus Cock, [ca. 1568]. With 7 engraved plates (ca. 22.5 x 26.5 cm). Each engraving is tipped onto a passepartout (ca. 50 x 38.8 cm). Full description

HEER, Henri de. Spadacrene hoc est Fons Spadanus, ... ut et Observationes medicae ...
Including HEER, Henri de. Observationes medicae, oppido rarae in Spa et Leodii; animadversa, cum medicamentis ...
Leiden, Pieter van der Aa, 1685. 2 works published together. 12mo. 18th-century boards. [24], 159, [17]; [6], 254, [20] pp. Full description

HELMONT, Johannes Baptista van. Ortus medicinae.
Amsterdam, Lowijs Elzevier, 1648. With engraved portrait of Helmont and his son Franciscus Mercurius, surrounded by eight coat of arms of related families.
With: (2) HELMONT, Johannes Baptista van. Opuscula medica inaudita. Amsterdam, Lowijs Elzevier, 1648. 4to. 2 works in 1 volume. Contemporary calf, both sides elaborately blind-tooled. [36], 800; [8], 110; 115, [1]; 88 pp. Full description

HENCKEL (HENKEL), Johann Friedrich. Flora saturnizans, die Verwandtschafft des Pflanzen mit dem Mineral-Reich, nach der Natural-Historie und Chymie aus vielen Anmerckungen und Proben ...
Leipzig, Johann Christian Martini, 1722. 8vo. With engraved frontispiece showing a mining operation, and 9 engraved plates. 18th-century vellum. [10], 671, [17] pp. Full description