Whenever the original increase of indebtedness shall have been made or authorized with the assent of the electors of such city, and the council may desire to use the money so borrowed, or authorized to be borrowed, for any other lawful municipal purpose as aforesaid, they shall give notice by advertisement, once a week for three weeks in each of three daily newspapers having a bona fide circulation in such city of at least thirty thousand (30,000) copies per issue, and in the legal journal designated by the rules of court for the publication of legal notices and advertisements, of an election to be held at the place or places of holding municipal elections on a day to be by them fixed. Such notice shall state:
A certified copy of the ordinance required by section one of this act, and where notice shall be required by section three hereof a copy of such notice, shall be filed in the office of the prothonotary of the court of common pleas of the county in which such city is situated.
53 P.S. § 15763