[SEL] thing help

[Nelson Johnsrud]

A site on vintage fire extinguishers:

http://www.vintagefe.com/home.html


Nels Johnsrud
Manitowoc WI
gop4evr at lsol.net




On Feb 13, 2012, at 8:29 AM, Germoamer at aol.com wrote:

> 
> So what do I have in the photos?  It is all brass, 11 inch long  cylinder, 
> and 3 inches in diameter, no markings what so ever.  The  top has a plunger 
> type handle and stem, and a small cap.  Both of  these have lead  washers to 
> form a seal.  The plunger handle has an  internal spring so that when the 
> handle is in the locked (bayonet type lock)  position it forces the lead 
> washer to seal.  The top of the cylinder cap is  soldered so that nothing is 
> removal for repair, i.e. the plunger type mechanism  is not removal.  The 
> bottom has a 1 inch diameter boss with a small 3/32  inch hole in it. Looking 
> inside thru the cap, an  internal cylinder can be seen extending from top to 
> bottom that  the handle stem is in , as though it is some sort of pump  type 
> mechanism.  The interesting thing is that there is a smaller pipe  running 
> from top to bottom and attached at right angles near the top and  bottom to 
> this internal cylinder.  When I pump the plunger, I cannot  build up any 
> noticeable pressure on the bottom hole. When I filled it up with  water and 
> pumped the plunger, only a very small spits of water came out  with no pressure 
> again.  Short of un soldering the top cap, I cannot tell  you much more about 
> it.  Any one have knowledge of this "thing"?
> 
> Thanks,
> Tom Schmutz
> 
> 
> 
> _http://www.oldengine.org/members/schmutz/images/Thing1.jpg_ 
> (http://www.oldengine.org/members/schmutz/images/Thing1.jpg) 
> 
> 
> _http://www.oldengine.org/members/schmutz/images/Thing2.jpg_ 
> (http://www.oldengine.org/members/schmutz/images/Thing2.jpg) 
> 
> 
> _http://www.oldengine.org/members/schmutz/images/Thing3.jpg_ 
> (http://www.oldengine.org/members/schmutz/images/Thing3.jpg) 
> 
> 
> _http://www.oldengine.org/members/schmutz/images/Thing3.jpg_ 
> (http://www.oldengine.org/members/schmutz/images/Thing3.jpg) 
> 
> 
> _http://www.oldengine.org/members/schmutz/images/Thing5.jpg   
> 
> _ (http://www.oldengine.org/members/schmutz/images/Thing5.jpg) 
> 
> 
> 
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