Any county which has, prior to the effective date of this act, levied taxes for the purpose of providing funds for the construction and equipping of a courthouse, or courthouse and jail, or for the equipping, improving, furnishing and repairing of the courthouse, or for any one or more of such purposes, and which county has accumulated more than six hundred thousand dollars ($600,000) from such tax levies, and which amount is insufficient to carry out the purpose of which the tax levies were made, is hereby authorized to issue no-fund warrants, without an election, in an amount not exceeding three hundred sixty thousand dollars ($360,000) for the purpose of providing additional revenue to be used in conjunction with the proceeds of the tax levies to complete the construction, equipping and furnishing of the courthouse and for any and all other purposes for which the tax levies were made.