The following sections of this BookRags Literature Study Guide is offprint from Gale's For Students Series: Presenting Analysis, Context, and Criticism on Commonly Studied Works: Introduction, Author Biography, Plot Summary, Characters, Themes, Style, Historical Context, Critical Overview, Criticism and Critical Essays, Media Adaptations, Topics for Further Study, Compare & Contrast, What Do I Read Next?, For Further Study, and Sources.
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The following sections, if they exist, are offprint from Beacham's Encyclopedia of Popular Fiction: "Social Concerns", "Thematic Overview", "Techniques", "Literary Precedents", "Key Questions", "Related Titles", "Adaptations", "Related Web Sites". (c)1994-2005, by Walton Beacham.
The following sections, if they exist, are offprint from Beacham's Guide to Literature for Young Adults: "About the Author", "Overview", "Setting", "Literary Qualities", "Social Sensitivity", "Topics for Discussion", "Ideas for Reports and Papers". (c)1994-2005, by Walton Beacham.
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1720?-1790
Scottish navigator who invented the sextant. Apprenticed to a shipmaster, Campbell joined the English navy. He advanced in rank to become the commander of several ships. In 1757 Campbell recommended that John Hadley's double-reflecting quadrant be altered to represent one-sixth of a circle, attaining a range of 120 degrees. Renamed the "sextant," Campbell's revised tool was useful in measuring horizontal angles and distances involving the Moon and planets. In 1782 Campbell was named the governor of Newfoundland.