Description
Determination of one�s longitude at sea has perplexed sailors for many centuries. The significant uptake of world trade in the 17th and 18th Centuries rendered the increasingly urgent need to solve the �longitude problem�, an issue of strategic national importance. Historical accounts of these efforts often focus almost exclusively on John Harrison�s role in 18th-Century Britain. This book starts instead from Galileo Galilei�s late-16th-Century development of an accurate pendulum clock, which was first achieved in practice in the mid-17th-Century by Christiaan Huygens in the Dutch Republic. It
is primarily based on collections of letters that have not been combined into a
single volume before. Extensive introductory chapters on the history of
map making, the establishment of the world�s reference meridian at Greenwich
Observatory, and the rise of the scientific enterprise provide the appropriate
context for non-expert readers to fully engage with the book�s main subject
matter
Typham this is the title: Time and Time Again Determination of longitude at seain the 17th Century 1st Edition
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