Christiaan Huygens' the Pendulum Clock or Geometrical Demonstrations Concerning the Motion of Pendula As Applied to Clocks Children's Christian Family Fiction A stunning collection of spectacular

A stunning collection of spectacular photographs with thorough specifications for 6 major catagories of planes or helicopters covering the most important examples of each type

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ISBN13: 9780376026132 ISBN10: 0376026138 Material Type: hardcover

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Christiaan Huygens' the Pendulum Clock or Geometrical Demonstrations Concerning the Motion of Pendula As Applied to Clocks Children's Christian Family Fiction A stunning collection of spectacularText: English, Latin (translation), ISBN13: 9780813809335 ISBN10: 0813809339 Material Type: hardcover