rter of a -ent a nection with second-cla.ss matter bears about the same !<ii«l ^ nidftrr irhich is in accord v ith the relation to the cost of its service in connection with V^ f f^ P»l<^ regulations governinf/ .seeond- all mail matter including that of the «econd-cla.ss) ^^^^ matter. There…
Printing
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten05unit-64-0.webp)
