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2. Sight glass - Wikipedia

   en.wikipedia.org/wiki/Sight_glass

   The gauge glass on a boiler needs to be inspected periodically and replaced if it is seen to have worn thin in the vicinity of the gland nuts, but a failure in service can still occur. Drivers are expected to carry two or three glass tubes, pre-cut to the required length, together with hemp or rubber seals, to replace the tubes on the road. [1]

3. Glossary of boiler terms - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_boiler_terms

   Gauge glass part of the water level gauge, which normally consists of a vertical glass tube connected top and bottom to the boiler backplate. The water level must be visible within the glass at all times. [3] Grooving erosion of a boiler's plates from the internal water space, particularly where there is a step inside the shell.

4. Boiler - Wikipedia

   en.wikipedia.org/wiki/Boiler

   Water level indicators: They show the operator the level of fluid in the boiler, also known as a sight glass, water gauge or water column. Bottom blowdown valves: They provide a means for removing solid particulates that condense and lie on the bottom of a boiler. As the name implies, this valve is usually located directly on the bottom of the ...

5. Fire-tube boiler - Wikipedia

   en.wikipedia.org/wiki/Fire-tube_boiler

   The inside of the boiler is inspected by sighting through the plug holes, with a particular check paid to the integrity of the firetubes, firebox crown and stays and absence of pitting or cracking of the boiler plates. The gauge glass cocks and tubes and fusible plug should be cleared of scale; if the core of the fusible plug shows signs of ...

6. Level sensor - Wikipedia

   en.wikipedia.org/wiki/Level_sensor

   It is also frequently applied on magnetic sight gages. In this variation, the magnet is installed in a float that travels inside a gage glass or tube. The magnet operates on the sensor which is mounted externally on the gage. Boilers and other high temperature or pressure applications take advantage of this performance quality

7. Boiler explosion - Wikipedia

   en.wikipedia.org/wiki/Boiler_explosion

   The usual cause of firebox collapses is that the boiler water level falls too low and the top of the firebox (crown sheet) becomes uncovered and overheats. This occurs if the fireman has failed to maintain water level or the level indicator (gauge glass) is faulty.

8. Mount Savage Locomotive Works - Wikipedia

   en.wikipedia.org/wiki/Mount_Savage_Locomotive_Works

   Engine safety appliances were sparse. The Bourdon gauge for pressure readings was patented in 1849. A rival gauge was developed in 1857 by Wooten. Glass sight gauges for boiler water level were not popular until the 1890s. Part of the problem was production of the proper glass, and the sealing of the gauge.

9. Novelty (locomotive) - Wikipedia

   en.wikipedia.org/wiki/Novelty_(locomotive)

   The resulting boiler was the shape of a hammer and was required to be fitted to the frame before the footplate, cylinders or blower could be added. The boiler used a ‘Forced Draught’ provided by a mechanical blower (the triangular structure on the right in the illustration). This forced air along a pipe and into the sealed ashpan (below the ...