The mayor shall, within 15 days from the time of such election, proclaim by posting printed or typewritten copies of such proclamation in at least two conspicuous places in said municipality, the adoption of such measure and amendment which shall have received the affirmative majority of the total number of votes cast thereon. In cases of ordinances which have been passed by the council and voted upon by referendum, proclamation of the result of such vote shall also be made. (Ord. 104 § 15, 1949).