8The following enactments (which make it an offence to make or have gunpowder etc. for the purpose of a felony mentioned in the Act in question, and confer powers of search for such gunpowder etc.), that is to say,—E+W+S+N.I.
(a) . . . F1
shall have effect as if the references to felonies mentioned in the Act included any offence so mentioned for which a person (not previously convicted) may be tried on indictment otherwise than at his own instance.