In firearms and other dangerous articles, further providing for definitions, for persons not to possess, use, manufacture, control, sell or transfer firearms, for firearms not to be carried without a license and for licenses, providing for firearm eligibility license, for application for firearm eligibility license, for fee and qualification, for investigations and training course and for issuance and terms and further providing for sale or transfer of firearms, for Pennsylvania State Police, for proof of license and exception and for administrative regulations; and making editorial changes.