Vintage 12" WG Chart Recorder. Alex Wright & Co (Westminster) Ltd.  In quite reasonable condition.

This is a chart recorder, in nice condition, which was used by the old Gas Companies to record the gas pressure in the gas mains as I believe there was a requirement to maintain a certain minimum pressure within the mains pipework system.  These were used when the gas was Towns Gas, that is before the conversion to Natural Gas around the 1970's, after that these would be no good because the Natural Gas pressures are much higher.

Selling as a collectable item, untested so sold as seen with no guarantees and no returns.

I have some other things listed which may be of interest so please have a look.  Thank you.