The 3rd and final volume of the second English edition of Pierre Joseph Macquer's (1718-1784) Dictionnaire de chymie (1766), translated by James Keir (1735-1820). Macquer's Dictionnaire was one of the most significant…

Volume 2 of 3 of the second English edition of Pierre Joseph Macquer's (1718-1784) Dictionnaire de chymie (1766), translated by James Keir (1735-1820). Macquer's Dictionnaire was one of the most significant chemical…

Volume 1 of 3 of the second English edition of Pierre Joseph Macquer's (1718-1784) first edition Dictionnaire de chymie (1766), translated by James Keir (1735-1820). Macquer's Dictionnaire was one of the most…

Frontispiece portrait of Vincent Lunardi, the author of An Account of the First Aërial Voyage in England.

"Comprising practical instructions in the dyeing of shot cobourgs, silk striped orleans, colored orleans from black warps, ditto from white warps, colored cobourgs from white warps, merinos, yarns, woollen cloths, &c.;…

Table of alchemical symbols from The last will and testament of Basil Valentine, monke of the Order of St. Bennet. These and other symbols are common throughout alchemical literature and were used to denote some…

From the "Explanation of the Plate of the Balloon" (page 67):
1. Crown, to which the Rope was fastened
2. Net-work
3. Ropes, forty-five in Number, a Rope every four Meshes
4 and 5. Nooses, through which the…

From the "Explanation of the Apparatus" (page 67):
1. Net
2. Balloon
3. Crown to suspend the Balloon
4. Barrels of Zinc
5. Oil of Vitriol
6. Backs, in which the Water and Oil of Vitriol was mixed
7. Recipient of Oil of…

The book consists of a compilation of letters, newspaper reports, and illustrations detailing the first aerial voyage in England: Italian Vincenzo Lunardi's 24-mile flight in a hydrogen balloon from the Artillery Ground…

First published in 1617, Michael Maier's alchemical emblem book contains a preface on ancient music and the Greek myth of Atalanta and Hippomenes and consists of 50 engraved emblems, each accompanied by a discourse and…

First published in 1617, Michael Maier's alchemical emblem book contains a preface on ancient music and the Greek myth of Atalanta and Hippomenes and consists of 50 engraved emblems, each accompanied by a discourse and…

Illustrated with 20 hand-colored plates, Conversations on Botany is composed as a series of conversations between a mother and son about the principles of the Linnaean system of classification and elements of useful…

Barthélemy Faujas de Saint-Fond’s Description des expériences assembles first-hand observations, research, technical descriptions, letters, tables, diagrams, and illustrations related to the groundbreaking experiments…

Kazimierz Siemienowicz's treatise was used for over a century as a basic manual on artillery, rocketry, and pyrotechnics. It was originally published in Latin (1650) and was translated into French (1651), German (1676),…

A mobile wooden siege wall concealing a soldier firing a mortar.

This image depicts a horseshoe with nails, a farrier shoeing a horse, and a farrier's rasp.

A siege bridge with a sliding mechanism for extending across rivers or moats.

A soldier ascends a wooden siege ramp.

Soldiers ride in a wheeled siege vehicle with windows for firing weapons.

On the left is a telescoping siege device powered by a screw mechanism, and on the right is a rope ladder dangling from a castle tower.

Soldiers wearing armor engaged in sword combat wielding a spiked shield.