McVitie Weston valve collection, Siemens-Halske valve, type OR
- Made:
- 1922
Siemens-Halske valve, type OR, marked 877, (RMW/G27 - McVitie Weston number), by Siemens & Halske Norsk, 1922.
Siemens-Halske valve, type OR, marked 877, (RMW/G27 - McVitie Weston number), by Siemens & Halske Norsk, 1922.