United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 659
to be of itself incapa-ble of sound reproduction, and a support 25upon which said film is mounted, the saidsupport being formed of wood-pulp saturatedwith a wax-like material and having a den-sity closely approximating that of the waxemployed in the manufacture of wax records. 30 Signed at Chicago,… … Tz&s-ses.
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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