Abstract
THERE are scarcely any books which give an accurate account of the progress that has been made in recent years in applying electric currents to horology. The explanations given in-this work are confined mainly to the essential parts of the mechanism and the electrical and mechanical principles which they illustrate. Inventors of electric clocks who, as a rule, have only a hazy knowledge of what has been done previously, will find this book helpful.
Electrical Horology.
H. R.
Langmand
A.
Ball
By. (Lockwood's Technical Manuals.) Pp. xi + 164. (London: Crosby Lockwood and Son, 1923.) 7s. 6d. net.
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Electrical Horology. Nature 112, 236 (1923). https://doi.org/10.1038/112236f0
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DOI: https://doi.org/10.1038/112236f0