Teddy Zhang

05 Nov 2025

《Hand Work Versus Machinery: Their Merits and Defects Explained and Compared. History of Watch Making by Both Systems》

04 Nov 2025

《The Watch Factories of America: Past and Present》(1888)

04 Nov 2025

《The Watch Balance and Its Jeweling》(1912)

04 Nov 2025

《The Watch and the Clock》

04 Nov 2025

《The Watch Adjuster's Manual》（1894/1904）

04 Nov 2025

《The Tower Clock and How to Make It》

04 Nov 2025

《The History of the First American Watch》

04 Nov 2025

《The Principles of Mr. Harrison's Time-Keeper》(1767)

04 Nov 2025

《The Polishing and Plating of Metals》

04 Nov 2025

《The Perfected American Watch by Waltham Watch Company》(1900)