singular any lands, waters, and streams necessary for the prosecution of the improvements intended by this act, and to make all such canals, feeders, dykes, locks, dams, and other works and devices as they may think proper for making said improvements, doing nevertheless no unnecessary damage; and that in case any lands, waters or streams taken and appropriated for any of the purposes aforesaid, shall not be given or granted to the people of this state, it shall be the duty of the canal commissioners from time to time, and as often as they think reasonable and proper, to cause application to be made to the justices of the supreme court, or any two of them, for the appointment of appraisers; and the said justices shall thereupon, by writing, appoint not less than three, nor more than five discreet disinterested persons as appraisers, who shall, before they enter upon the duties of their appointment, severally take and subscribe an oath or affirmation, before some person authorised to administer oaths, faithfully and impartially to perform the trust and duties required of them by this act, which oath or affirmation shall
