TY  - BOOK
AU  - Haswell, J. Eric.
TI  - Horology: the science of time measurement and the construction of clocks, watches and chronometers 
AV  - TS545 .H25
U1  - 681.11 
PY  - 1928///
CY  - London
PB  - Chapman and Hall, ltd.
KW  - Clocks and watches
KW  - Chronometers
KW  - Horology
N1  - include Index
ER  -