| http://www.w3.org/ns/prov#value | - To all whom it may concern: Be it known that I, JOHN W. HARKOM, a subject of the King of Great Britain, and resident of Melbourne, in the Province of Quebec and Dominion of Canada, have invented certain new and useful Improvements in Sights for Firearms and the like, of which the following is a full, clear, and exact description.
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