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cotton gin

(Encyclopedia)cotton gin, machine for separating cotton fibers from the seeds. The charkha, used in India from antiquity, consists of two revolving wooden rollers through which the fibers are drawn, leaving the see...

cotton grass

(Encyclopedia)cotton grass, common name for sedges of the genus Eriophorum. ...

Pelham, Peter

(Encyclopedia)Pelham, Peter pĕlˈəm [key], c.1695–1751, American engraver and painter, b. England; stepfather of John Singleton Copley. After studying and practicing in England, Pelham settled (c.1728) in Bosto...

Boylston, Zabdiel

(Encyclopedia)Boylston, Zabdiel, 1679–1766, American physician, b. Brookline, Mass. He was privately educated in medicine and settled in Boston. In an epidemic of smallpox in 1721 he was persuaded by Cotton Mathe...

Mather, John Cromwell

(Encyclopedia)Mather, John Cromwell, 1946–, American astrophysicist, b. Roanoke, Va., Ph.D. Univ. of California, Berkeley, 1974. He has been a researcher at NASA's Goddard Space Flight Center in Greenbelt, Md., s...

Mather, Stephen Tyng

(Encyclopedia)Mather, Stephen Tyng, 1867–1930, American industrialist and environmentalist, b. San Francisco, grad. Univ. of California, Berkeley, 1887. He began working for the Pacific Coast Borax Company in the...

Calef, Robert

(Encyclopedia)Calef, Robert kāˈləf [key], 1648–1719, known primarily as author of More Wonders of the Invisible World (1700). A Boston cloth merchant, probably born in England, he bitterly attacked Cotton Math...

Phips, Sir William

(Encyclopedia)Phips, Sir William, 1651–95, American colonial governor. Born in what is today Maine, he was a carpenter and shipbuilder in Boston and became interested in sunken treasure. On his second hunt for tr...

Wise, John

(Encyclopedia)Wise, John, 1652–1725, American clergyman, exponent of the democratic principles of modern Congregationalism, b. Roxbury, Mass., grad. Harvard, 1673. He was pastor at Ipswich, Mass., from 1680 until...

Dana, John Cotton

(Encyclopedia)Dana, John Cotton, 1856–1929, American librarian and museum director, b. Woodstock, Vt. He was a lawyer and a civil engineer before joining the staff of the Denver (Colo.) Public Library in 1889, wh...