A brass colorimeter signed Bausch & Lomb Optical Co Rochester N.Y. No 183261, the twin body tubes with speciman holders, cylindrical pillar adjustment on flat Y shaped foot - 10½in(26.5cm)high; a monocular microscope the body tube with fine focusing screw, main rack-and-pinion focusing, square stage, concave mirror, supported at the axis by twin trunnions on Y-shaped foot; and a students microscope in case (3)