| Identifier : | 1136 |
| Title : | H. Poincaré à Eugénie Launois |
| Author surname : | Poincaré |
| Author first name : | Henri |
| Recipient surname : | Launois |
| Recipient first name : | Eugénie |
| Sent to : | Paris |
| Date YYYY-MM-DD : | 1878-08-18 |
| Language : | fr |
| Incipit : | En chemin de fer |
| Source : | Private collection 75017 |
| Transcription file : | m03 |
| Image file : | M03 |
| Pages : | 4 |
| Document type : | AL |