Jeweled Bearings for Watches - A Full and Complete Description of the Manufacture, Gauging and Setting of Jeweled Bearings in Timekeeping Instruments

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 Jewelled bearings superceded brass and gold plugs which were used formally but proved to be a poor components due to friction, wear, and corrosion.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 vo...