On the efficiency and duration of incandescent electric lamps. Report of a special committee, appointed by the president of the Franklin institute.

Franklin Institute (Philadelphia, Pa.)

Publisher

Philadelphia, The Franklin institute,

Abstract

"Issued by authority of the Board of managers and published as a supplement to the Journal of the Franklin institute, September, 1885."Mode of access: Internet

Extracted data

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On the efficiency and duration of incandescent electric lamps. Report of a special committee, appointed by the president of the Franklin institute.

Abstract

Extracted data

On the efficiency and duration of incandescent electric lamps. Report of a special committee, appointed by the president of the Franklin institute.

Abstract

Extracted data

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