McVitie Weston valve collection, Cossor valve, type X272 (Experimental)
- Made:
- 1934
- maker:
- A C Cossor Limited
Cossor valve, type X272 (Experimental), 6in diam screen, length 1ft 7in overall, with partially graphited tube with side connector, (RMW/K43 - McVitie Weston number), by A C Cossor Limited, 1934.