Abstract
IN his “Formulaire Pratique de l'Électricien” M. Hospitalier has supplied us with a work which cannot fail to be of value as a convenient book of reference. It is divided into five parts. In the first are stated as briefly as possible those general principles with which every one who is in any way connected with electrical matters should be familiar. In the second is given the derivation of the electrical and magnetic units, with which are tabulated all the arbitrary units that have been or are at all gene rally used. In the third chapter almost every instrument and method that may be employed for making any mea surement which an electrician is likely to require is mentioned, and when necessary explained by a figure. Though it must have been difficult to decide what to include and what to omit, surely considering the growing importance of “diagrams” so very useful an instrument as Amsler's planimeter might have been mentioned.
Formulaire Pratique de L'Électricien.
Par E. Hospitalier, Première Année, 1883. (Paris: G. Masson.)
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B., C. Formulaire Pratique de L'Électricien . Nature 28, 365 (1883). https://doi.org/10.1038/028365a0
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DOI: https://doi.org/10.1038/028365a0
