Should any weighman or weighmen agent, checkweighman or checkmeasurer, whether employed by operators or miners, knowingly or wilfully adopt or take more or less pounds for a bushel or ton than as provided for in the first section of this act, or wilfully neglect the balancing or examining of the scales or cars, or knowingly and wilfully weigh coal with an incorrect scale, he shall be guilty of a misdemeanor, and, upon conviction thereof, shall be imprisoned in the county jail for three months.
52 P.S. § 1390a