1 كتب إلكترونية بواسطة Charles T. Higginbotham
Charles T. Higginbotham: 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 Jewelled bearings superceded brass and gold …
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€6.49
