with a foreword by Sir George H. Nelson, and a short biography by W.H. Kennett

The English Electric Company 1953

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by compte Th. du Moncel and Wm. Henry Preece ; to which is added "The Edison electric light meter," by Francis Jehl, "The economy of the electric light by incandescence," by John W. Howell, and on the "Steadiness of the electric current," by C.W. Siemens

D. Van Nostrand 1882 2nd ed., rev. and enl

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mit einer Einleitung von C.W. Siemens

In Commission der Schulbuchhandlung 1873

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