The improvement that I sometime since perfected for lessening the friction on rails, cars, and engines, for which a patent has been obtained ...
- Författare
- J. Elnathan. Smith
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| s.n. | 184-? | New York, New York | [3] sidor. ill. 29 cm. |