Illustration of Drift Theory, a geological theory used to explain the formation of coal deposits. The figure illustrates how sediments including shale, limestone, sandstone, and coal travel from different directions to…

Diagram of coalfields south of Malmesbury, England. The diagram presents a cross-section of the Earth, depicting strata of coal seams, old and new red sandstone, mountain limestone, millstone grit, pennant, inferior and…

Geared towards young readers, The playbook of metals is an informative and entertaining volume on all aspects of the history, mining, smelting, and metallurgy of the metals then known. The author, John Henry Pepper…

Publication providing an overview of the basic principles of chemistry with regards to non-metallic elements. Includes engravings, experiments, an appendix containing tables and supply lists, and an index. Part of a…

Acknowledges receipt of Sharplep's "Chemical Tables," and expresses pleasure at its organization and content.

Illustration depicting an electric stamp, a device used to deface stamps with a heated platinum wire in the form of a design or initial. The device is powered by electricity, using the hand of its user to complete the…

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

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…

Educational volume covering a variety of topics related to electricity and the chemical elements in two parts. The first half of the volume is devoted to electrical and magnetic discoveries and modern electric machines,…

Illustration depicting an Electric Machine, or a device used to convert mechanical energy into electrical energy to store a static positive charge. The device operates by turning a glass plate between two metal-coated…

Illustration of a gyroscope, an apparatus that exemplifies the laws of conservation of angular momentum, meaning it will maintain rotational movement in a plane of rotation in spite of the force of gravity. The…

Illustration depicting an exterior view of a stalactite cavern.

Illustration depicting a magnified view of an assortment of snowflakes, also known as snow crystals.

Black and white illustration depicting an evening marsh scene. The illustration demonstrates the natural occurrence of phosphoric compounds which become luminous in the presence of atmospheric gases. The illustration…

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

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

Illustration of an apparatus used to manufacture soda water.