@Chap. 0147 An Act in addition to an act, entitled, "An act to incorporate The Proprietors of Cambridge Port Manufactory."

13 E it enacted by the Senate and House of Representatives in General Court assembled, and by the authority of the same, That all persons, who are or shall hereafter become Proprietors in the Corporation, styled " The Cambridge Port Manufactory," in the act to which this is in addition, be, and hereby are authorised to manufacture printing types, and those articles usually manufactured in chemical laboratories.

[Approved by the Governor, Feb. 27, 1813.]