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

Description

Corporate Author

Franklin Institute (Philadelphia, Pa.)

Language(s)

English

Published

Philadelphia, The Franklin institute, 1885.

Subjects

Incandescent lamps > Incandescent lamps / Testing.

Note

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

Physical Description

127 p. incl. illus., tables. 2 plans, diagrs. 23 cm.

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