That whenever any irrigation district, formed in the manner hereinbefore provided, shall have secured, by issuing bonds as provided for herein, a fund for the purchase or construction of irrigation works in said district, the irrigation commissioners herein provided for may submit to the qualified electors of such irrigation district, in the same manner as provided for herein for the voting of bonds, a proposition to purchase any such works, particularly describing the same and giving the details of such proposed purchase; and at such election those voting in favor of the proposed purchase shall deposit a written or printed ballot containing the words, “For the purchase,” and those voting against such purchase shall deposit a written or printed ballot containing the words, “Against the purchase”; and such vote shall be returned and canvassed in all particulars conformably to the like provisions of this article respecting the organization of such district; and whenever it shall be agreed to purchase any such irrigation works the vendor of the same shall convey the entire interest of the vendor, with an unqualified warranty therefor, to said irrigation district; and the same shall be paid for by the county treasurer out of the funds in his hands to the credit of such irrigation district, on an order signed by the president of said board of irrigation commissioners and attested by the secretary of said board with the seal thereof.