Teddy Zhang

03 Nov 2025

《Comparative Performance of Watches with Elinvar and with Steel Hairsprings》

03 Nov 2025

《Collection of Watches Loaned to the Metropolitan Museum of Art》

03 Nov 2025

《Clocks, Watches & Scientific Instruments》

03 Nov 2025

《Clocks & Watches，Cecil Clutton and George Daniels》

03 Nov 2025

《Clocks and Watches》(1922)

03 Nov 2025

《Clock and Watch Work》(1855)

03 Nov 2025

《Chats on Old Clocks》(1917)

03 Nov 2025

《AWCI Tool List》

03 Nov 2025

《Catalogue of J.E. Brown & Co. Limited, Chain Makers》(1906)

03 Nov 2025

《Catalogue and Price-List of Fine Imported American Machinery, Tools, Materials, and Suppliers》