Davies and Allen patent steam boiler improvement documents
- Made:
- circa 1850-circa 1870
Letters patent with royal seal in custom box, with agreement between David Davies and James Allen relating to the patent, c1850-1870.
Details
- Category:
- Archive
- Object Number:
- YA1974.8/MS0273
- Materials:
- paper (fibre product)
- type:
- patent
- credit:
- Gift of Ken Talks