R. F. Irvine. J. Soc. Motion Pict. Telev. Engrs., 1965, 74, 744-745. a A method is described whereby deep surgical repairs can be photographed as though the camera were immediately above the incision, when ... in front of which is a front surfaced mirror mounted on a lightweight frame extending approximately 2 feet in front of the camera lens; immediately behind and below the mirror is a quartz- iodineanbsp;...