Confirmation of the brother of pangeran of solo as cavalry officer

Pan along attendees at a ceremony on the grounds of the barracks (?): including high-ranking military and Indian guests including the Pangeran of Solo whose brother is appointed lieutenant cavalry in the Dutch East Indies Army. One watches the marching of a military corps; the taking of the oath by the brother, Pangeran Ario Djatikoesimo + saluting; congratulations and cu from the brand new, uncom…