[modeleng] What was it for?

Yesterday I was given a gauge.

3" diameter, it has two dials, the top one, covering around 250 degrees, is 
marked, O C to 150 C.
The lower one is marked 0 bar to 4 bar.

On the pressure gauge there is a red marker at the one bar mark, which is where 
the moving pointer is, a red line at the 3 bar mark, and a green sector 
covering the pressures between 1 and 3 bar.

A picture of it is at, http://www.alanstepney.info/gauge.jpg

Anyone any idea what it might be off?


A second question is, what should I do with it? (Polite suggestions only 
please!)
To allow reasonable leeway, it could only be fitted to a boiler running at, 
say, 25 - 30 psi, which isnt much use for most models.

Right now I plan to add it to the "things that might come in handy one day" 
box. 

Alan Stepney

http://www.alanstepney.info
Model Engineering & steam engine information pages
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