Illustrations of the electric cell and battery apparatus developed by Alfred Smee (1818-1877). The cell consists of two positively charged zinc plates and one negatively charged platinized silver plate immersed in…

Illustration depicting the manufacture of seltzer or soda water by use of a wheel to force gas into bottled water.

Notebook used by Frederick Edwin Atwood (1875-1948) during a quantitative chemical analysis course taken at Dartmouth College in Hanover, New Hampshire. A native of Chelsea, Vermont, Atwood received his Bachelor of…

Illustration showing an apparatus used to generate an environment in which iron is able to ignite with oxygen at room temperature. The illustration is labeled to indicate a source of hydrogenated gas, a desiccative…

Illustration depicting a flower temporarily illuminated through the use of phosphorescent powder.

Photograph depicting a group of male and female chemistry students at an unknown school or college. The students are posed holding assorted laboratory equipment and glassware. Some of the female students are also…

Illustration depicting an apparatus used to animate tin fish through the use of an electro-magnet.

Illustration depicting an experiment in the instantaneous formation of salt crystals.

General view of chemist Ernest Arnold Congdon seated at a desk, presumably in his office at the Drexel Institute of Art, Science, and Industry (later Drexel University) in Philadelphia. Born on August 9, 1866, Congdon…

Illustration depicting the manufacture of plate glass, a form of glass traditionally made by casting and rolling and characterized by its excellent surface produced by grinding and polishing.

Black and white illustration depicting a chamber with bursts of heat emitting from either side. The scene represents an environment in which the Bessemer process may be conducted. The Bessemer process, developed by Sir…

Illustration depicting an experiment in which an artificial flower coated with phosphorescent powder temporarily becomes luminous and shines in the dark when exposed to magnesium wire.

Illustration of a white cabbage butterfly from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of nature" to…

Illustration of a wallflower from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of nature" to young readers,…

Illustration depicting a view on the Colorado River from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of…

Illustration depicting various forms of snow-crystals from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of…

Illustration of a tiger from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of nature" to young readers,…

Illustrations depicting the skull of a cat and the skull of a sheep for comparison of each species' teeth. Illustrations are from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a…

Illustration of a sweet pea plant from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, this volume explains different so-called "wonders of nature" to young…

Illustration of a strawberry, cherry, and gooseberry from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of…

Illustration of a house spider and web from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of nature" to…

Illustration depicting types and stages of the common ant, including grub, queen, chrysalis, and worker, from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy,…

Illustration from the 1899 volume Princess & Fairy, or The Wonders of Nature depicting a camel's foot. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of nature" to young…

Illustration of a camel from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of nature" to young readers,…

Illustration depicting the beginning of a stream from the 1899 volume Princess & Fairy, or The Wonders of Nature. Through the personas of a princess and a fairy, the volume explains different so-called "wonders of…