TY  - BOOK
AU  - Langman,Henry R
AU  - Ball,A.
TI  - Electrical horology: a practical manual on the application of the principles and practice of electricity to horological instruments and machines for the measurement and transmission of time, with an account of the earliest electrical-driven clock mechanism,
T2  - Technical press manuals
PY  - 1935///
CY  - London
PB  - Technical Press
KW  - Clocks and watches, Electric
KW  - fast
KW  - Clock (general)
KW  - United Kingdom
KW  - Bain Hipp Campiche Murday Magneta Shepard Richie Hope-JONES
KW  - Electric
KW  - TheoryGeneral
ER  -