Pamphlets, 1923-1924.

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Pamphlets, 1923-1924.

http://www.worldcat.org/oclc/86165513

Illustrated pamphlets advertising the Audiphone and the no. 3-A Audiometer, equipment for hearing testing.

2 items.

College of Physicians of Philadelphia

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SNAC Resource ID: 8352235

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Western electric company

http://n2t.net/ark:/99166/w6cr9nwr (corporateBody)

The Western Electric Company was a subsidiary of the American Telephone & Telegraph Company. The firm manufactured a wide variety of telephone equipment at its Hawthorne Works in Chicago, Illinois. A notable series of worker efficiency experiments known as the Hawthorne Studies were staged at the plant between 1924 and 1933. From the description of Photograph album, 1925. (Harvard Business School). WorldCat record id: 52815587 From the description of Western Electric Com...