Columbia Encyclopedia

(Encyclopedia) Norfolk Island pine: see monkey-puzzle tree. ...

(Encyclopedia) Jura, island, Great Britain: see Hebrides, the. ...

(Encyclopedia) Bathurst Island, 7,609 sq mi (19,707 sq km), in the Arctic Archipelago, Nunavut Territory, N Canada. It is the present site of the North Magnetic Pole. ...

(Encyclopedia) Montserrat mŏntsərătˈ [key], British dependency and island (2015 est. pop. 5,000), 38 sq mi (98 sq km), West Indies, one of the Leeward Islands. It is a rugged, scenic island of volcanic origin. C...

(Encyclopedia) Cape Sable Island, 7 mi (11.2 km) long and 3 mi (4.8 km) wide, SW N.S., Canada. It is connected to the mainland by a causeway over Barrington Passage. C...

(Encyclopedia) Rhode Island, University of, at Kingston; coeducational; land-grant and state-supported; chartered 1888, opened as a school 1890, as an agricultural and mechanical college 1892. From 1909 to 1951 it w...

(Encyclopedia) Saint Croix sānt kroi [key], island (2010 pop. 50,601), 80 sq mi (207 sq km), the largest of the U.S. Virgin Islands, in the West Indies. Christiansted, on the northeast coast, is the island's leadin...

(Encyclopedia)  CE5 Pulleys: The mechanical advantage (MA) of a system of pulleys is equal to the number of supporting strands: in A MA=1 and in B MA=2. pulley, simple machine consisting of a wheel over which a r...

(Encyclopedia) eccentric, in mechanics, device for changing rotary to back-and-forth motion. A disk is mounted off center on a shaft. One flat, open, circular end of a rod fits around the edge of the disk; the other...

(Encyclopedia) Prince of Wales Island, c.12,800 sq mi (33,150 sq km), Nunavut Territory, Canada, between Victoria and Somerset islands. The low tundra-covered island has an irregular coastline and is deeply indented...