TY  - BOOK
AU  - Engler,Edmund Arthur
TI  - Time-keeping in London
AV  - QB221 .E56
PY  - 1883///
CY  - New York
PB  - D. Appleton and Company
KW  - Time-signals
N1  - From the Popular science monthly, December, 1882. January, 1883
ER  -