Signed manuscripts by scholars, doctors, naturalists, signed scientific autographs

• Observations du thermomètre faites pendant les grands froids de Sibérie, par M. Delisle.
• Recherche de statique et de dynamique, par M. le Marquis de Courtivron.
• Expériences de l'electricité appliquées à des paralytiques, par Mrs Morand et Nollet.

Complete first edition in six volumes, illustrated with decorative headpieces. 

Contemporary bindings in full marbled brown calf, spines with six raised bands decorated with red morocco title and volume labels, fleurons and double gilt frame fillets, triple fillets stamped in blind framing the boards, double gilt fillets on the leading edges, marbled endpapers and pastedowns, all edges marbled. Title pages in red and black. Headcaps worn, title labels of volumes 1, 3, 4 and 6 and volume labels of volumes 4, 5 and 6 missing, some lacks to the compartments, leather split at the joint of the first volume, joints of other volumes often slightly cracked at head or foot, boards and l

New edition, illustrated with 14 plates, most folding.
Contemporary full brown marbled calf binding. Decorated spine with raised bands. Red morocco title label, and black wax volume label. 2 corners slightly bumped. Rubbing. Good copy.
Notable articles in each of the mentioned sections include: Experiments to determine if the strength of ropes exceeds the sum of the strengths of the threads composing these same ropes, by M. de Réaumur. Observations on the vegetation of truffles, by M. Geoffroy. Observations on fecal matter, by M. Homberg. Remarks on certain colors, by M. de La Hire. Rules and remarks for the construction of equalities, by M. Rolle. On different ways in which sev

Illustrated edition with 16 folding plates, 8 per volume.
Contemporary full marbled brown calf bindings. Raised band spines with gilt ornaments. Red morocco title-labels, and black wax volume labels. Small lack to head of volume I. One corner slightly bumped. Rubbing. Last errata leaf frayed at margin. Good copies.
Notable articles to be retained in each of the mentioned sections include the following: On beam resistance by M. Parent. On conchoids in general by M. de La Hire. Observations on coral analysis by M. Geoffroy. Reflections on magnetic variations by M. Houssaye. General method for finding an infinity of new curved lines by M. Réaumur. Physical explanation of the vertic

First edition.
Contemporary limp parchment binding. Smooth, unlettered spine. Brown stains on both boards, more extensive on the upper board. Binding detached from upper board. Tears to the lower margin of leaf li.
Complete set of navigation tables (latitudes, moon, winds, ports...), with 64 pages explaining these tables.

First edition of this treatise, published following the four volumes whose editorial dates run from 1782 for the first volume to 1788 for the last, namely the Traité de l'aimant, which is therefore often missing from the series.

Contemporary full red morocco binding. Spine with raised bands richly decorated. Title and volume labels in black morocco. Triple fillet frame on covers. Roulette on leading edges and board-edges. Gilt edges. Domino paper with gilt stars. Corners rubbed.

Very handsome copy, perfectly bound in a master binding, very fresh.

The Traité de l'aimant is the last work published durin

The rare first edition. Printed in two columns. Vignette of a sphere on the title page. 14 in-text figures and diagrams and numerous tables, notably a calendar of the position of the stars and zodiac figures, tables of latitudes and longitudes.

Contemporary limp vellum binding with flaps. Smooth spine unlettered. Traces of ties. Split to upper joint at head over two centimeters. Various stains. Lacking the first endleaf before the title. Lower right corner of title page missing. Brown stain to lower right corner from leaf 14 to leaf 32.

Commentary by Georg Henisch on the treatise of the sphere by Proclus, the celebrated Neo-Platonic philosopher of the 5

First collected edition of these two works, originally published at Oxford in 1701 (Physica) and 1718 (Astronomia) respectively, illustrated with a title vignette, 12 folding plates for physics (experiments, diagrams, geometry), 29 for astronomy, and 6 for trigonometry, numbered I to XLVII.

Contemporary marbled brown sheep binding. Spine with raised bands richly decorated. Red morocco title label. Worn binding. Headcaps torn away. Joints split at head and foot, along two compartments for the upper joint. Corners heavily bumped. Paper more or less browned.

Treatise and manual of astronomy and physics with various short treatises, including one

Second edition, rare, after the first of 1789.

Contemporary pamphlet, in pink paper. Title label. Spine cracked. Fine copy in condition as issued, uncut.

This treatise on volcanology concerning the volcanoes of Auvergne is important for the evolution of this science, still young at the time. The author studies precisely how volcanoes changed the landscape, cataloguing lava flows and their effects; tracing centuries of geology, when the sea bordered the volcanoes... Manuscript and bibliographic note in pencil at the bottom of the title page.

French first edition and first translation into vernacular after the original Latin, which had appeared in the Elementa physiologica in 8 volumes, published from 1757 to 1766.

Full speckled blonde calf bindings. Raised band spines with ornamentation. Red morocco title and volume labels. Head caps worn, same for the foot cap of volume 2. Two corners bumped on volume 2. Volume label of volume 1 missing. Some leaves yellowed.

Important study devoted to the phenomena of generation, fertilization and embryology, with a description of sexual organs and their function. By establishing a state of contemporary knowledge, Haller refutes certain previousl

New edition, after the first, rare, published in 1784.

In original wrappers. Title page with marginal dampstain and soiling.

Linguet (1736-1794) French writer, lawyer and journalist, he wrote numerous works in various fields, particularly law and political philosophy, his positions and his talents as a polemicist would lead to his imprisonment and eventual execution by guillotine. It was during a period of incarceration that Linguet conceived this work, the fruit of earlier research. Linguet bases himself essentially on Newton to develop his own reflections in the field.

Rare. We have found nothing concerning this work, absent from libraries.
Half calf Romantic binding with corners in red, smooth spine with 4 tools and fillets. Foxing. One corner of the title page border reinforced.
In the form of a tale and dialogue between a father and son, the author examines the nobility of character of a good merchant, how he should be a good father to his son and a good father to his country. Numerous passages on the importance of agriculture. « Ce travail lui donna des vues très étendues sur les rapports du commerce, avec le bonheur particulier & général des hommes? » (This work gave him very extensive views on the relationship of commerce with the particular