No railroad corporation or transportation company, or transmission company shall, directly or indirectly, issue or give any free frank or free ticket, free pass or other free transportation, for any use, within this State, except to its employees and their families, its officers, agents, surgeons, physicians, and attorneys at law; to ministers of religion, traveling secretaries for railroad Young Men's Christian Associations, inmates of hospitals and charitable and eleemosynary institutions and persons exclusively engaged in charitable and eleemosynary work; to indigent, destitute and homeless persons, and to such persons when transported by charitable societies or hospitals, and the necessary agents employed in such transportations; to inmates of the National Homes, or State Homes for Disabled Volunteer Soldiers, and of Soldiers' and Sailors' Homes, including those about to enter and those returning home after discharge, and boards of managers of such Homes; to members of volunteer fire departments and their equipage, while traveling as such; to necessary caretakers of live stock, poultry, and fruit; to employees of sleeping cars, of express cars, and to linemen of telegraph and telephone companies; to Railway Mail Service employees, postoffice inspectors, customs inspectors, and immigration inspectors; to newsboys on trains, baggage agents, witnesses attending any legal investigation in which the railroad company or transportation company is interested, persons injured in wrecks, and physicians and nurses attending such persons: Provided, That this provision shall not be construed to prohibit the interchange of passes for the officers, agents, and employees of common carriers and their families; nor to prohibit any common carriers from carrying passengers free with the object of providing relief in cases of general epidemic, pestilence, or other calamitous visitation; nor to prevent them from transporting, free of charge, to their places of employment persons entering their service, and the interchange of passes to that end; and any railroad, transportation, or transmission company or any person, other than the persons excepted in this provision, who grants or uses any such free frank, free ticket, free pass, or free transportation within this State, shall be deemed guilty of a crime, and the Legislature shall provide proper penalties for the violation of any provision of this section by the railroad or transportation or transmission company, or by any individual: Provided, That nothing herein shall prevent the Legislature from extending these provisions so as to exclude such free transportations or franks from other persons.