Two Photographs
Two Photographs, Mounted, of Hackworth's improved spring safety valve (front and side elevation) c.1830
Details
- Category:
- Photographic Collections (Railway)
- Object Number:
- 1934-719
- type:
- photographs
- credit:
- J. Hackworth-Young.
Two Photographs, Mounted, of Hackworth's improved spring safety valve (front and side elevation) c.1830