Horology : the science of time measurement and the construction of clocks, watches and chronometers / J. Eric Haswell. Haswell, J. Eric. Clocks and watches. Chronometers. Horology. TS545 .H25 681.11 HAH include Index. London : Chapman and Hall, ltd., c1928. c1928. 1928 Text xvi, 267 p. : eng