Volltextergebnisse:
- naylor
- y three Naylor lamps still approved for Officials use underground after the 1911 Mines & Quarries act wipe out of thousands of lamps deemed unfit for use (Photos Andy Jones) {{:grubenlampen:wetterlamp:
- kopflampen
- ham Blei Akku Kopflampen. THE CHARACTERISTICS AND USE OF LEAD-ACID CAP LAMPS. by M.F. Cowiishaw]]| |:::