TVM!
Don
In a message dated 2/12/2016 5:17:08 P.M. Eastern Standard Time,
[log in to unmask] writes:
PHP = "The Patent History of the Phonograph."
Contains data on over 2000 US (and other) patents relating to
phonographs and records from 1878-1912. Filing dates as well as dates of
issue, with
additional essays on company history and the patent system by Ray Wile
and
Allen Koenigsberg. Also covers puzzle records, talking pictures, dolls,
repeaters, cabinets, horns, magnetic recording, cranes, discs/cylinders,
etc.
Data is numerical, chronological, and alphabetical.
Best
Allen K.
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In a message dated 2/12/2016 5:07:26 P.M. Eastern Standard Time,
[log in to unmask] writes:
And PHP?
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