TY  - BOOK
AU  - Hope-Jones,F.
TI  - Electrical timekeeping
PY  - 1949///]
CY  - London
PB  - N.A.G. Press
KW  - Clocks and watches, Electric
KW  - fast
KW  - Horloges et montres
KW  - ram
KW  - Clock (general)
KW  - United Kingdom
KW  - Synchronome
KW  - Electrical
KW  - Making General
ER  -