'Glodex' Water Level Indicator, mounted behind gauge glass, on mahogany board. 1 spare gauge glass. By Bernon Walker Co., London, W2, England, 1925-1928.
'Glodex' Water Level Indicator, mounted behind gauge glass, on mahogany board. 1 spare gauge glass. By Bernon Walker Co., London, W2, England, 1925-1928.