Whosoever shall unlawfully and maliciously set fire to any Mine of Coal, Cannel Coal, Anthracite, or other Mineral Fuel, shall be guilty of Felony, and being convicted thereof shall be liable, at the Discretion of the Court, to be kept in Penal Servitude for Life or for any Term not less than Three Years,—or to be imprisoned for any Term not exceeding Two Years, with or without Hard Labour, and with or without Solitary Confinement, and, if a Male under the Age of Sixteen Years, with or without Whipping.