REID, Thomas. Treatise on Clock and Watch Making. Philadelphia: 1832. 258 x 158mm., 20 folding engraved plates, 1 torn. (Rather browned throughout.) Original cloth (rubbed, rebacked). -- SAUNIER, Claudius. Treatise on modern Horology. London & New York: n.d. 265 x 175mm., 21 double-page plates, partly coloured, illustrations. Contemporary half calf (rebacked). -- CLUTTON, Cecil & George DANIELS. Watches, a complete History. London: 1979. 330 x 235mm., plates, some colour. Original cloth, dust-jacket. -- HERKNER, Kurt. Galshütte und seine Uhren. Dormagen: 1988. 297 x 205mm., illustrations, some colour. Original cloth, dust-jacket. -- And 26 other modern works including a few pamphlets. (30)