Extracts from Mr Joplin's Book which he copied from Mr Hackney'/[S Goodrich. Comprises four indicator diagrams, calculations etc re 'New or First 30 Horse Engine'; (he has taken the figures but the calculations are his own]
- Made:
- 1829-11
- part of archive:
- Archive of Simon Goodrich, mechanist to the Navy Board
- maker:
- Goodrich, Simon
Details
- Extent:
-
4p on 1 leaf
- Identifier:
- GOOD/A/1470
- Access:
- Open Access
- copyright: