![](https://coimages.sciencemuseumgroup.org.uk/54/597/large_thumbnail_1945_0138.jpg)
Watt's Steam Engine indicator of very late form
![SMG00021629](https://coimages.sciencemuseumgroup.org.uk/441/196/small_thumbnail_smg00021629.jpg)
![Watt's Steam Engine indicator of very late form](https://coimages.sciencemuseumgroup.org.uk/302/762/small_thumbnail_smg00021629.jpg)
Watt's Steam Engine indicator of very late form, with accessories in box.
This indicator was used to determine the action of steam within an engine's cylinder, and was a diagnostic tool intended to help set valves to introduce and exhaust steam from the cylinder as efficiently as possible. The indicator closely resembles inv. 1890-83, but is of later construction.
Details
- Category:
- Motive Power
- Object Number:
- 1901-128
- type:
- steam engine indicator
- credit:
- J.C. Stevens (Auction Sales)