United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 353
internal adjustable support for saidmandrel, said support and mandrel being in-dependently adjustable and a spring-actu- 40ated friction-stud in the mandrel to engagethe perimeter of said tubular support. In testimony whereof I have signed myname to this specification in the presence oftwo… … TIG.2. or -L =s—6 Wl TNESS ES i
Phonograph · Patents
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