C & F DARKER, London
A metal and lacquered brass elbow polariscope with internal mirror, adjustable slide holder, rack and pinion focusing brass bound lens and signed C & F Darker, Makers, Lambeth. London.
C & F DARKER, London
A metal and lacquered brass elbow polariscope with internal mirror, adjustable slide holder, rack and pinion focusing brass bound lens and signed C & F Darker, Makers, Lambeth. London.
