The Principles Of Mr. Harrison's Time Keeper

The Principles Of Mr. Harrison's Time Keeper

With Plates Of The Same (1767)

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The Principles of Mr. Harrison's Time Keeper: With Plates of the Same is a book written by John Harrison and published in 1767. The book is a detailed explanation of the principles behind Harrison's invention of a marine chronometer. The marine chronometer was a device used to accurately measure time at sea, which was crucial for navigation and the calculation of longitude. The book includes detailed diagrams and illustrations of the marine chronometer, as well as explanations of the various components and how they work together to accurately measure time. Harrison's invention was a significan...