Antique Watches and How to Establish Their Age by Henry G. AbbottCopyright 1897, reprinted by R. D. Porter in 2014 This 5 1 2" by 8 1 2" book has over 200 pages containing portraits and brief biographical sketches of the celebrated watchmakers of the world, and a directory of over 6000 names of English, French, German, Dutch, Swiss and American watch and clock makers who were in business prior to the year 1850. This book also has numerous halftone illustrations of watches and clocks made by the masters of horology.