§ 123. Erection and operation of life-saving apparatus. Any municipal corporation may furnish, erect and locate such life-saving apparatus, appliances and paraphernalia, and do all things necessary for the practical operating of the same as they may deem advisable, along the shores or banks of any streams, rivers or waters within their respective boundaries. Any municipal corporation may appropriate of its funds for the purpose of furnishing, erecting, locating and operating such life-saving apparatus.