细节
A monocular microscope by Lowden
with coarse focussing by fusee chain and nosepiece fine adjustment, stage manipulator, eyepiece, objective, mirror and Y-foot -- 16¼in. (41.5cm.) high, signed Lowden Optician Dundee
with coarse focussing by fusee chain and nosepiece fine adjustment, stage manipulator, eyepiece, objective, mirror and Y-foot -- 16¼in. (41.5cm.) high, signed Lowden Optician Dundee