Photograph enlarging apparatus, namely, cameras for use with microscopes; Photographic Cameras; Microscopes; Electronic apparatus for measuring porosity, roughness, and color; [ Apparatus used to create holograms; ] Measuring instruments for measuring length, area, diameter and angle; Measuring Rules; Digital camera for viewing or recording organic or inorganic objects; Digital microscopes; [ Pre-recorded computer programs for operating digital microscope or amplifier; Micrometer gauges; ] Mi...