The diaphragm is an important muscle that helps you breathe in and out. We'll go over its different openings and functions before exploring the conditions that can affect the diaphragm. You'll ...

CASO-1000 Multi-function Analysis Microscope System for Questioned Documents. April 24, 2014. ... 12V 50W halogen lamp, aperture center adjustable diaphragm and field adjustable diaphragm.