United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 69
g a number of strips orsides provided with means joining them attheir edges, said strips being flexed and saidedges curved so as to produce the trumpetform of said mouth portion, and said strips 45having angular relation to one another, andprotecting means on the outer exposed edges or ends of the… … JO d to
Phonograph · Patents
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