Coal Mining Interest - a National Coal Board sign, New Huckn...

Hammer

£60

Coal Mining Interest - a National Coal Board sign, New Hucknall Colliery, Signals For Main Trunk And Gate Conveyors; an accompanying black and white reprint photograph; two Horstman mechanical timers, for attaching to gas lamps, one dated 1959; two other signs, Beware of Locomotive or Moving Wagons; Danger Hydrogen gas & colzalene (6)