McVitie Weston valve collection, Brunswick valve, type 51
Brunswick valve, type 51, top anode cap embossed 5, base marked 81, (RMW/G112 - McVitie Weston number), by Unknown maker.
Brunswick valve, type 51, top anode cap embossed 5, base marked 81, (RMW/G112 - McVitie Weston number), by Unknown maker.