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Davy, Sir Humphry

(Encyclopedia)Davy, Sir Humphry, 1778–1829, English chemist and physicist. The son of a woodcarver, he received his early education at Truro and was apprenticed (1795) to a surgeon-apothecary at Penzance. While d...

Penzance

(Encyclopedia)Penzance pĕnzănsˈ [key], town (1991 pop. 18,501), Cornwall, SW England, at the head of Mounts Bay. Penzance is a resort and a port for the Scilly Islands. It also has flour mills. Penzance Library ...

Stephenson, George

(Encyclopedia)Stephenson, George, 1781–1848, British engineer, noted as a locomotive builder. He learned to read and write in night school at the age of 18, while working in a colliery. He constructed (1814) a tr...

nitrous oxide

(Encyclopedia)nitrous oxide or nitrogen (I) oxide, chemical compound, N2O, a colorless gas with a sweetish taste and odor. Its density is 1.977 grams per liter at STP. It is soluble in water, alcohol, ether, and ot...

safety lamp

(Encyclopedia)safety lamp, oil lamp designed for safe use in mines and other places where flammable gases such as firedamp (see damp) may be present. Its invention (c.1816) is usually attributed to Sir Humphry Davy...

Holland House

(Encyclopedia)Holland House, residence of the Holland family in Kensington, London, made famous in the first 40 years of the 19th cent. by the hospitality of Henry Fox, 3d Baron Holland, and his wife. Built in 1606...

Jones, Davy

(Encyclopedia)Jones, Davy: see Davy Jones.

Crockett, Davy

(Encyclopedia)Crockett, Davy (David Crockett) krŏkˈĭt [key], 1786–1836, American frontiersman, b. Limestone, near Greeneville, Tenn. After serving (1813–14) under Andrew Jackson against the Creek in the War ...

Davy Jones

(Encyclopedia)Davy Jones, personification or spirit of the sea. The name is best known in the expression “Davy Jones's locker,” meaning the bottom of the sea, to which drowned sailors go. ...

Faraday, Michael

(Encyclopedia)Faraday, Michael fârˈədē, –dāˌ [key], 1791–1867, English scientist. The son of a blacksmith, he was apprenticed to a bookbinder at the age of 14. He had little formal education, but acquired...