McVitie Weston valve collection, Raytheon valve, type RX-235
Raytheon valve, type RX-235, numbered E9942, top cap loose, (RMW/Y559B - McVitie Weston number), by Raytheon Manufacturing Company.
Raytheon valve, type RX-235, numbered E9942, top cap loose, (RMW/Y559B - McVitie Weston number), by Raytheon Manufacturing Company.