Vacuum Gauge; The British Teltherm Co Ltd; 2010.2.774
Vacuum GaugeAbout this object
Steel round body with glass covering an enamel face.
The front part of the body is sitting over and screwed to the back part.
On the bottom there is a nut shaped piece with a round thread attached.
There are 2 screws in the centre of the back and 2 small screws at bottom.
On the white enamel face are numbers 0 to 30 - A red line at 15 - Indicating INS of Mercury.
On the white enamel face
"B I L
THE BRITISH TELTHERM Co Ltd
INS. OF MERCURY
RESET TYPE PAT NO 567240"
Height 130 mm
Width 90 mm
Dia 310 mm
Jack MorganObject Type
This object is from
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