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EXPOSITION AT VIENNA.
ried out its work in the most satisfactory manner, and at ite adjournment instituted a permanent committee to carry on the agitation of the matter, with authority to call another meeting when it should seem advantageous. It is reported that this congress is already producing fruit, and that both Switzerland and Belgium, at present without a patent law, are very seriously debating the necessity of establishing one, while the effect of its action is also felt in other states. If this congress should result, as there is ground to hope it will, in the establishment of a good and well administered patent law on the Continent, it will be a matter of vast advantage to our inventors and manufacturers.
HAMILTON A. HILL,
Associate-Commissioner for Massachusetts to Exposition at Vienna.