Old steamboat days on the Hudson River : tales and reminiscences of the stirring times that followed the introduction of steam navigation (1907)
Buckman, David Lear · New York : The Grafton press · leaf 82
The quarantine lawswere further appealed to to illustrate Mr. Emmetts posi-tion. It was held that they were all considered merely aslaws of police. They were laws of police but also lawsof commerce, for such is the nature of that commerce,which it was held must be regulated in some mannerby… … g > How the Great River Monopoly was Broken 49 against the constitutionahty of the State laws. Therewas no allegation of a patent or a claim of anythingentitled to be protected by the patent laws, the useand enjoyment of which had been interfered withby the exclusive grant. If the last steamboat…
Steam-navigation
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