![](https://coimages.sciencemuseumgroup.org.uk/15/997/medium_thumbnail_pic_2004_7995.jpg)
LNER Class J21 Boiler Specification
Specification, London & North Eastern Railway, for Boiler Type J-21, 5 pages, unbound, signed by E. Thompson, Chief Mechanical Engineer.
Details
- Category:
- Documents
- Object Number:
- 2003-8552
- Materials:
- paper (fibre product)
- type:
- boiler specification