Re: NNG: Steam Railroading in the Fall season...

Russ489 Wrote:
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> This closet appears to hold the tools used in
> setting pop valves and performing hydrotests on
> the various locomotives. The tubes bent into a
> circle are gauge siphons. They protect the gauge
> when connected to steam by condensing water in the
> lower part of the loop and keeping live steam away
> from the gauge. The tools in the bottom of the
> picture with the "T" handles on them are pop valve
> gags. They are used to hold a safety valve closed
> during hydrotests and may also be used to keep the
> lower pressure valves from opening while the high
> pressure valves are set.

That makes perfect sense Russ. Thanks!

Mike Wilson
Michael J. Wilson Photography
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