McVitie Weston valve collection, Z Electric Lamp Co. valve, type R.5 (Admiralty)
- maker:
- Z Electric Lamp Company
Z Electric Lamp Co. valve, type R.5 (Admiralty), marked 716, (RMW/B47 - McVitie Weston number), by Z Electric Lamp Co..
Z Electric Lamp Co. valve, type R.5 (Admiralty), marked 716, (RMW/B47 - McVitie Weston number), by Z Electric Lamp Co..