免费在线视频With the RICHARD LANGE, we breathe new life into a storied category of timepieces: observation watches. Because of their superior rate accuracy, excellent legibility, and ruggedness, they were indispensable precision instruments for many famous scientists, researchers, and explorers in the 18th and 19th centuries. The RICHARD LANGE watch family honours a time measurement pioneer with his name.
免费在线视频Richard Lange was no doubt the most inventive member of the dynasty of Lange watchmakers and respected as a prominent scientist of his era. With numerous discoveries and patents, he decisively inspired the refinement of precision watchmaking. In his famous 1930 patent application, he described that a small admixture of beryllium noticeably improves the rate characteristics of balance springs.