Such military board shall have power to receive from other state agencies, counties, municipalities, or other sources, donations of land or contributions of money, buildings or other property to aid in providing or erecting armories, rifle ranges and training camps throughout the state, for the use of the national guard or state guard, of Kansas, and which shall be held as other property for the use of the state of Kansas; and such counties, cities or other municipalities are hereby authorized to make such contributions for the purpose of this act, and each city of the state of Kansas is hereby authorized and empowered to levy a tax upon all the property therein subject to taxation to raise the necessary money for said armory building and site herein specified and to pay a portion of the principal and interest on bonds issued by such city under the authority of Kan. Stat. Ann. § 12-1774, and amendments thereto. No money shall be donated or tax levied until the same is authorized by a vote of the majority of electors in said city at an election called for that purpose.