Hand-colored lithograph of common houseleek, Sempervivum tectorum. Class Dodecandria, order Dodecagynia.

Hand-colored lithograph of corn cockle, Agrostemma githago. Class Decandria, order Pentagynia.

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…

English chemist William Hyde Wollaston invented the Scale of Chemical Equivalents which is explained in this publication along with a foldout plate illustrating Dr. Wollaston's Synoptic Scale of Chemical Equivalents.…

English chemist William Hyde Wollaston invented the Scale of Chemical Equivalents which is explained in this publication along with a foldout plate illustrating Dr. Wollaston's Synoptic Scale of Chemical Equivalents.…

The first 16 figures represent the atoms of different elastic fluids, drawn in squares of different magnitude in proportion to the diameters of the atoms.

Fig. 17 exhibits curve lines by which the boiling point of…

Figs. 1-3 represent profile views of the disposition and arrangement of hydrogen, nitrous, and carbonic acid gas particles.

Fig. 4 is the representation of four particles of azote with their elastic atmospheres, marked…

Continued from plate 5.

This plate exhibits various symbols devised to represent simple and compound elements; they are nearly the same as in plate 4, only extended and corrected.

Conversations on Chemistry is an introductory chemical textbook. To this third American edition (the first and second: Philadelphia, 1806, and 1809), the anonymous editor has added new material on mineral waters and the…

The first and only edition of a textbook written by Charles Sylvester (1774–1828), an English chemist and civil engineer who specialized in the study of galvanization. The work contains a system of chemical symbolism…

This plate contains the arbitrary marks or signs chosen to represent several chemical elements, from simple elements such as hydrogen, carbon, and oxygen, to septenary elements such as an atom of sugar.

Fig. 1 represents particles (balls) of water, the square form denoting the arrangement in water.

Fig, 2 represents particles (balls) of water, the rhomboidal form denoting the arrangement in ice.

Fig. 3 represents the…

Fig. 1 represents an air thermometer, or the expansion of air by heat.

Fig. 2 is the logarithmic curve.

Fig. 3 is a device suggested by "Mr. Ewart," to illustrate Dalton's idea on the temperature of the atmosphere.

Fig. 1 is intended to illustrate Dalton's ideas on the subject of the capacities of bodies for heat.

Fig. 2 is a comparative view of the old and new divisions of the scale of the mercurial thermometer.

FIg. 3 is a…

A letter from John Dalton (1766-1844) to Dr. John Bostock (1773-1846) following Dalton's letter of June 11, 1808. Dalton writes he has sent Bostock four copies of his "Chemistry," referring to his work, A New System of…

Prospectus announcing the publication of part I of John Dalton’s (1766-1844) immortal New System of Chemical Philosophy (Manchester, 1808). This copy contains an accompanying letter to Dr. John Bostock (1773-1846) from…

Engraving by Francis Cary (active 18th century) depicting a view of Stonehenge and several ground plans meant to convey speculative representations of the original arrangement of Stonehenge as it once was, rather than…

Engraving by Francis Cary (active 18th century) depicting a view and plan of Church Mountain, also called Sliabh Guth or Slieve Gad, meaning "mountain of the covenant." The westernmost of the Wicklow Mountains in…

Map of Shetland, also called the Shetland Islands and formerly Zetland, a subarctic archipelago in the Northern Isles of Scotland situated in the Northern Atlantic between Great Britain, the Faroe Islands, and Norway.

Engraving depicting the harp of Brien Boromh [Brian Boroimhe] and the Irish Crown. Also known as Brian Boru's harp or the Trinity College harp, the harp dates from the 14th or 15th century and, along with the Queen…

Engraving depicting the Kavanagh Charter Horn, a ceremonial drinking vessel associated with the Caomhnách kings who ruled the Irish kingdom of Leinster. Fashioned out of ivory and brass gilt, the horn dates from the…

Engraving by Francis Cary (active 18th century) depicting Saxon inscriptions located in the villages of Aldborough (top) and Kirkdale (bottom) in North Yorkshire, England. The Aldborough inscription, which appears on a…

Map of Saxon England based upon descriptions in the Anglo-Saxon Chronicle, a collection of annals in Old English chronicling the history of the Anglo-Saxons.