![](https://coimages.sciencemuseumgroup.org.uk/718/813/medium_thumbnail_iboj20240214__0031_.jpg)
McNaughts' steam engine indicator 0.5 sq. ins.
- maker:
- Chadburn Bros.
![McNaughts' steam engine indicator 0.5 sq. ins. made by Messrs](https://coimages.sciencemuseumgroup.org.uk/302/509/medium_smg00065805.jpg)
McNaughts' steam engine indicator 0.5 sq. ins. made by Messrs. Chadburn Bros. in wood case
McNaughts' steam engine indicator 0.5 sq. ins. made by Messrs. Chadburn Bros. in wood case