United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 607
thereof, 85means for admitting a heating fluid and acooling fluid to the interior of the matrix,and a jacket about the matrix adapted to re-ceive a liquid independent of the admission of cooling fluid to the interior of the matrix. 90 In testimony whereof I have signed thisspecification in the… … ttg.l r f F -Ftsc/ <?. tt<*4:
Phonograph · Patents
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