HOROLOGY.Watch and Clock Maker’s Handbook, Dictionary and Guide. ByF. J. Britten. Tenth edition, 450 illus. 492 pp. crown 8vo. (1902)net50The Springing and Adjusting of Watches.ByF. J. Britten. 75 illus. 152 pp. crown 8vo. (1898)net30Prize Essay on the Balance Springand its Isochronal Adjustments. ByM. Immisch. 7 illus. 50 pp. crown 8vo. (1872)26
HOROLOGY.