Where under this Act any person has been duly adjudged a person of unsound mind and a proper subject of confinement any magistrate may—
(a) if the consent in writing of the Medical Superintendent of a mental hospital is produced, order such person to be detained in a mental hospital;
(b) grant to any person residing within the district of such magistrate a licence authorising such person to receive the person of unsound mind into some house specified in the licence and situate within such district and there to take charge of such person; or
(c) if it appears that the person of unsound mind is a pauper, by warrant under his or her hand commit him or her to a mental hospital there to be taken charge of as a pauper patient.