Type of Old Fire Extinguishers     An old fire pump, a bit like our modern day fire extinguisher. Courtesy source from www.bbc.co.uk/essex/content/image_galleries/a... Old Fire Extinguisher, Barstow Courtesy source from www.pbase.com/davewyman/image/42035141     Old Copper Fire Extinguishers [Illinois] May 31, 2003 I found a couple of those old presumably copper water filled fire extinguishers in my grand fathers attic...can some one tell me how to polish them, I've seen them about and they are quite the eye catcher...I've rubbed endlessly with little results.  Bene B [last name deleted for privacy due to age of posting] - Orland Park, IL, USA Courtesy source from Burke, Virginia, USA www.finishing.com/221/77.shtml Courtesy source from Los Angeles City Fire Department www.freqofnature.com/.../index.html Courtesy source from cgi.ebay.co.uk/Old-brass-fire-extinguisher-py... Courtesy source from www.quikresponse.co.uk/fire-risk-assessment.htm