(Translated by https://www.hiragana.jp/) Sundials : history, theory, and practice : Rohr, Rene R. J : Free Download, Borrow, and Streaming : Internet ArchiveSkip to main content
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Chronicles the history of sundials, discussing the different varieties, the mathematical formulas required to build one, and the basic principles of cosmography
Originally published: Toronto : University of Toronto Press, 1970
Includes bibliographical references (page 134) and index
History of the sundial -- Some gnomonic cosmography -- Classical sundials -- Inclined dials -- Solar calendars -- Analemmatic dials -- Moon dials -- Elevation dials, azimuth dials, direction dials, and others -- Remarkable dials, past and present -- Inscriptions on sundials