UNBRANDED, PROBABLY STANDARD ISSUE PRE-WAR ELECTRIC BLOCK INSTRUMENT LABELLED 'SLOW LINES BANGOR No 2', mahogany and brass cased with integral bell and key, the oblong white cardboard fqace with upper red needle indicator for down line, lower black needle indicator for up line, 24 3/4" (63cm) high x 11" (28cm) wide overall
Train / Railway