Harrisons First
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Harrisons First
John Harrisons FIRST marine chronometer
Mary Evans Picture Library makes available wonderful images created for people to enjoy over the centuries
Media ID 4322842
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10025441
1729 1735 Chronometer Harrison Harrisons Instruments Measurement
EDITORS COMMENTS
This print showcases John Harrison's groundbreaking invention, Harrison's First, also known as the H1 or the H1 Marine Chronometer. John Harrison (1693-1776), an English carpenter and horologist, is renowned for his significant contributions to the field of time measurement at sea. The development of an accurate marine chronometer was a crucial innovation in the Age of Exploration, enabling sailors to determine longitude at sea and navigate more precisely. Harrison began working on the marine chronometer in the early 1720s, driven by the Longitude Prize, which was offered by the British government to encourage the invention of a practical method for determining longitude at sea. Harrison's First, completed in 1735, was the first marine chronometer to meet the required accuracy standards. It featured a spring-driven clock mechanism with a pendulum suspended in a temperature-compensated glass case. The case was designed to minimize the effects of temperature changes on the pendulum's motion. This historic print, produced by Mary Evans Prints Online, offers a fascinating glimpse into the past, showcasing Harrison's intricately crafted timepiece. The delicate engraving reveals the complex inner workings of the chronometer, highlighting the precision and artistry of Harrison's design. The image also underscores the importance of Harrison's invention in the history of navigation and time measurement, paving the way for more accurate and reliable navigation and opening up new possibilities for exploration and discovery. This print is a testament to the ingenuity and determination of John Harrison and his pioneering work in the realm of marine chronometry. It serves as a reminder of the crucial role that scientific innovations play in shaping the world around us and expanding our understanding of the natural world.
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