Ɵ HOROLOGICAL REFERENCE BOOKS MAINLY RELATING TO AMERICAN WATCHMAKINGFIFTEEN PUBLICATIONS:Robert-Hooke The Time Meum Historical Catalogue of American Pocket Watches The Time Meum, Rockford IL 1991, Hernick, James L. (editor) HAMPDEN WATCH CO. National Association of Watch and Clock Collectors (Special Order Supplement No. 1), Columbia PA 1997, softbound; David, Jacques American and Swiss Watchmaking in 1876 published by the translator Richard Watkins, Kingston (Tasmania) 2003, softbound; E. and J. Swigartpany ILLTRATED MANUAL of AMERICAN WATCH MOVEMENTS trade catalogue, Cincinnati OH 1952, softbound; Bell, C. Jeanenne COLLECTORS ENCYCLOPEDIA OF PENDANT AND POCKET WATCHES 1500-1950 Collectors Books, Peducah KT 2004; Shenton, Alan POCKET WATCHES, 19th & 20th Century Antique Collectors' Club, Woodbridge 1995, dj; Flechon, Dominique THE MASTERY OF TIME Flammarion, Paris 2011, dj; Harrold, Michael C. AMERICAN WATCHMAKING, A Technical History of the American Watch Indtry 1850-1930 . National Association of Watch and Clock Collectors (Special Order Supplement No. 14), Columbia PA 1984, softbound; Boyce, Thomas Grandfather Nicolay Alcyone Books, Victoria BC 1994, ringbound; Daniels, George English & American Watches Abelard-Schuman, London 1967, dj; Meibers, Richard the Fitchburg Watch, HISTORY of a MASTERPIECE Martin and Lawrence Press, Groton MA 2002, dj; O'Malley, Michael KEEPING WATCH, A HISTORY OF AMERICAN TIME Smithsonian Institution Press, Washington and London 1990, softbound; Seibel, Emanuel and Hagans Orville R. HagansPLICATED WATCHES The Roberts Publishingpany, Denver CO 1945, softbound; Shugart, Cooksey THEPLETE GUIDE TO AMERICAN POCKET WATCHES overstreet Publications Incorporated, Cleveland TN 1981, softbound; Gibbs, James W. FROM SPRINGFIELD TO MOSCOW: THEPLETE DUEBER-HAMPDEN STORY published by the author, Philadelphia PA 1986; softbound, (15).