Lockwood's index of United States telephone patents to Dec. 31, 1900

Lockwood's index of United States telephone patents to Dec

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Lockwood's index of United States telephone patents to Dec
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Arranged in 3 sections: I. chronological; II. inventors; III subjects.

Details

Extent:
225
23
295
Identifier:
MS/0428
Access:
Open Access