- N° d'objet52/108
- DescriptionReaccessioned in MERL Archives as document. This set of letters is the patent for a threshing machine. It includes the patent (with seal), a specification of the threshing machine, and a drawing showing the improvement in applying power to threshing machines (by Daniel Crowe).
- Description physiquedeaccessioned
- Date1864 - 1864
- Nom d'objet