Casson, Herbert Newton, 1869- · Chicago, A.C. McClurg & Co. · leaf 40
H X ^ p w X > > K !« B Z H ^ rr V) ^ H r; !:• K ^ » t- - ■^ 5 i^ ± o = K _ tq … THE HISTORY OF THE TELEPHONE he said: I am now beginning to realize thecares and anxieties of being an inventor. I havehad to put off all pupils and classes, for flesh andblood could not stand much longer such a strainas I have had upon me. While stumbling through this Slough of De-spond, he was…
Telephone
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