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The early corporate development of the telephone by William Chauncy Langdon
Historical Society of Pennsylvania - Closed Stacks Tr* .9033
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- Format:
- Book
- Author/Creator:
- Langdon, William Chauncy, 1871-1947.
- Language:
- English
- Subjects (All):
- American Telephone and Telegraph Company.
- Telephone--History.
- Telephone.
- Physical Description:
- 31 p. : facsims., ports. ; 23 cm.
- Edition:
- Rev.
- Place of Publication:
- [S.l. : s.n.], 1935.
- Notes:
- Reprinted from: Bell telephone quarterly, July 1923.
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