United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 708
, a block fit-ting the said recess and having a perforationcoincident Avith the mathematical center ofrotation of the record-support, and means forholding the record upon the support, substan-tially as described. In testimony whereof I have signed myname to this specification in the presence oftwo… … WITNESSES •INVENTOR*
Phonograph · Patents
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
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