This vintage book contains a detailed treatise on the use of jewelled bearings in watchmaking, with descriptions of manufacture, gauging, and setting. Jewelled bearings superceded brass and gold plugs which were used formally but proved to be a poor components due to friction, wear, and corrosion. The use of jewelled bearings in watches was first pioneered by Nicholas Facio in Italy, 1723. This volume is highly recommended for those with an interest in the history and development of watchmaking, and it would make for a fantastic addition to collections of allied literature. Many vintage books such as this are increasingly scarce and expensive. We are republishing this volume now in an affordable, modern edition complete with a specially commissioned new introduction on the history of clocks and watches. First published in first published in 1911.